Home / 25,139.58-34,691.67-13,962.30

Finding the Fourth Proportional to 25,139.58, 34,691.67 and 13,962.30

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Solution

The fourth proportional to 25,139.58, 34,691.67 and 13,962.30 is: 19,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.58 : 34,691.67 = 13,962.30 : x
  2. Step 2: Convert to fraction form
    25,139.58/34,691.67 = 13,962.30/x
  3. Step 3: Cross multiply
    25,139.58x = 34,691.67 × 13,962.30
  4. Step 4: Simplify right side
    25,139.58x = 484,375,504.04
  5. Step 5: Solve for x
    x = 484,375,504.04/25,139.58
  6. Step 6: Final answer
    x = 19,267.45

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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.