Home / 25,105.17-34,646.12-13,775.14

Finding the Fourth Proportional to 25,105.17, 34,646.12 and 13,775.14

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Solution

The fourth proportional to 25,105.17, 34,646.12 and 13,775.14 is: 19,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,105.17 : 34,646.12 = 13,775.14 : x
  2. Step 2: Convert to fraction form
    25,105.17/34,646.12 = 13,775.14/x
  3. Step 3: Cross multiply
    25,105.17x = 34,646.12 × 13,775.14
  4. Step 4: Simplify right side
    25,105.17x = 477,255,179.55
  5. Step 5: Solve for x
    x = 477,255,179.55/25,105.17
  6. Step 6: Final answer
    x = 19,010.23

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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.