Home / 13,534.55-20,377.04-11,726.17

Finding the Fourth Proportional to 13,534.55, 20,377.04 and 11,726.17

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Solution

The fourth proportional to 13,534.55, 20,377.04 and 11,726.17 is: 17,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.55 : 20,377.04 = 11,726.17 : x
  2. Step 2: Convert to fraction form
    13,534.55/20,377.04 = 11,726.17/x
  3. Step 3: Cross multiply
    13,534.55x = 20,377.04 × 11,726.17
  4. Step 4: Simplify right side
    13,534.55x = 238,944,635.14
  5. Step 5: Solve for x
    x = 238,944,635.14/13,534.55
  6. Step 6: Final answer
    x = 17,654.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.