Home / 25,102.38-34,642.10-13,772.82

Finding the Fourth Proportional to 25,102.38, 34,642.10 and 13,772.82

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Solution

The fourth proportional to 25,102.38, 34,642.10 and 13,772.82 is: 19,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.38 : 34,642.10 = 13,772.82 : x
  2. Step 2: Convert to fraction form
    25,102.38/34,642.10 = 13,772.82/x
  3. Step 3: Cross multiply
    25,102.38x = 34,642.10 × 13,772.82
  4. Step 4: Simplify right side
    25,102.38x = 477,119,407.72
  5. Step 5: Solve for x
    x = 477,119,407.72/25,102.38
  6. Step 6: Final answer
    x = 19,006.94

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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.