Home / 25,082.80-34,614.36-13,752.47

Finding the Fourth Proportional to 25,082.80, 34,614.36 and 13,752.47

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Solution

The fourth proportional to 25,082.80, 34,614.36 and 13,752.47 is: 18,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,082.80 : 34,614.36 = 13,752.47 : x
  2. Step 2: Convert to fraction form
    25,082.80/34,614.36 = 13,752.47/x
  3. Step 3: Cross multiply
    25,082.80x = 34,614.36 × 13,752.47
  4. Step 4: Simplify right side
    25,082.80x = 476,032,705.64
  5. Step 5: Solve for x
    x = 476,032,705.64/25,082.80
  6. Step 6: Final answer
    x = 18,978.46

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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.