Home / 25,129.73-34,677.47-13,799.18

Finding the Fourth Proportional to 25,129.73, 34,677.47 and 13,799.18

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Solution

The fourth proportional to 25,129.73, 34,677.47 and 13,799.18 is: 19,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.73 : 34,677.47 = 13,799.18 : x
  2. Step 2: Convert to fraction form
    25,129.73/34,677.47 = 13,799.18/x
  3. Step 3: Cross multiply
    25,129.73x = 34,677.47 × 13,799.18
  4. Step 4: Simplify right side
    25,129.73x = 478,520,641.63
  5. Step 5: Solve for x
    x = 478,520,641.63/25,129.73
  6. Step 6: Final answer
    x = 19,042.01

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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.