Home / 25,522.69-38,202.12-13,646.78

Finding the Fourth Proportional to 25,522.69, 38,202.12 and 13,646.78

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Solution

The fourth proportional to 25,522.69, 38,202.12 and 13,646.78 is: 20,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,522.69 : 38,202.12 = 13,646.78 : x
  2. Step 2: Convert to fraction form
    25,522.69/38,202.12 = 13,646.78/x
  3. Step 3: Cross multiply
    25,522.69x = 38,202.12 × 13,646.78
  4. Step 4: Simplify right side
    25,522.69x = 521,335,927.17
  5. Step 5: Solve for x
    x = 521,335,927.17/25,522.69
  6. Step 6: Final answer
    x = 20,426.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.