Home / 18,424.28-25,425.57-10,469.15

Finding the Fourth Proportional to 18,424.28, 25,425.57 and 10,469.15

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Solution

The fourth proportional to 18,424.28, 25,425.57 and 10,469.15 is: 14,447.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.28 : 25,425.57 = 10,469.15 : x
  2. Step 2: Convert to fraction form
    18,424.28/25,425.57 = 10,469.15/x
  3. Step 3: Cross multiply
    18,424.28x = 25,425.57 × 10,469.15
  4. Step 4: Simplify right side
    18,424.28x = 266,184,106.17
  5. Step 5: Solve for x
    x = 266,184,106.17/18,424.28
  6. Step 6: Final answer
    x = 14,447.46

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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.