Home / 25,100.38-34,631.15-15,547.29

Finding the Fourth Proportional to 25,100.38, 34,631.15 and 15,547.29

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Solution

The fourth proportional to 25,100.38, 34,631.15 and 15,547.29 is: 21,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,100.38 : 34,631.15 = 15,547.29 : x
  2. Step 2: Convert to fraction form
    25,100.38/34,631.15 = 15,547.29/x
  3. Step 3: Cross multiply
    25,100.38x = 34,631.15 × 15,547.29
  4. Step 4: Simplify right side
    25,100.38x = 538,420,519.28
  5. Step 5: Solve for x
    x = 538,420,519.28/25,100.38
  6. Step 6: Final answer
    x = 21,450.69

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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.