Home / 18,609.10-25,680.27-10,225.42

Finding the Fourth Proportional to 18,609.10, 25,680.27 and 10,225.42

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Solution

The fourth proportional to 18,609.10, 25,680.27 and 10,225.42 is: 14,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.10 : 25,680.27 = 10,225.42 : x
  2. Step 2: Convert to fraction form
    18,609.10/25,680.27 = 10,225.42/x
  3. Step 3: Cross multiply
    18,609.10x = 25,680.27 × 10,225.42
  4. Step 4: Simplify right side
    18,609.10x = 262,591,546.46
  5. Step 5: Solve for x
    x = 262,591,546.46/18,609.10
  6. Step 6: Final answer
    x = 14,110.92

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Half scale
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Double scale
Find fourth proportional to 18,610.10, 25,681.65 and 10,226.42
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.