Home / 25,229.08-34,830.10-15,159.97

Finding the Fourth Proportional to 25,229.08, 34,830.10 and 15,159.97

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Solution

The fourth proportional to 25,229.08, 34,830.10 and 15,159.97 is: 20,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,229.08 : 34,830.10 = 15,159.97 : x
  2. Step 2: Convert to fraction form
    25,229.08/34,830.10 = 15,159.97/x
  3. Step 3: Cross multiply
    25,229.08x = 34,830.10 × 15,159.97
  4. Step 4: Simplify right side
    25,229.08x = 528,023,271.10
  5. Step 5: Solve for x
    x = 528,023,271.10/25,229.08
  6. Step 6: Final answer
    x = 20,929.15

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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.