Home / 25,641.12-38,439.60-10,055.04

Finding the Fourth Proportional to 25,641.12, 38,439.60 and 10,055.04

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Solution

The fourth proportional to 25,641.12, 38,439.60 and 10,055.04 is: 15,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.12 : 38,439.60 = 10,055.04 : x
  2. Step 2: Convert to fraction form
    25,641.12/38,439.60 = 10,055.04/x
  3. Step 3: Cross multiply
    25,641.12x = 38,439.60 × 10,055.04
  4. Step 4: Simplify right side
    25,641.12x = 386,511,715.58
  5. Step 5: Solve for x
    x = 386,511,715.58/25,641.12
  6. Step 6: Final answer
    x = 15,073.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.