Home / 18,423.28-25,424.19-10,468.15

Finding the Fourth Proportional to 18,423.28, 25,424.19 and 10,468.15

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Solution

The fourth proportional to 18,423.28, 25,424.19 and 10,468.15 is: 14,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.28 : 25,424.19 = 10,468.15 : x
  2. Step 2: Convert to fraction form
    18,423.28/25,424.19 = 10,468.15/x
  3. Step 3: Cross multiply
    18,423.28x = 25,424.19 × 10,468.15
  4. Step 4: Simplify right side
    18,423.28x = 266,144,234.55
  5. Step 5: Solve for x
    x = 266,144,234.55/18,423.28
  6. Step 6: Final answer
    x = 14,446.08

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Half scale
Find fourth proportional to 36,846.56, 50,848.38 and 20,936.30
Double scale
Find fourth proportional to 18,424.28, 25,425.57 and 10,469.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.