Home / 25,129.29-34,678.88-13,799.94

Finding the Fourth Proportional to 25,129.29, 34,678.88 and 13,799.94

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Solution

The fourth proportional to 25,129.29, 34,678.88 and 13,799.94 is: 19,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.29 : 34,678.88 = 13,799.94 : x
  2. Step 2: Convert to fraction form
    25,129.29/34,678.88 = 13,799.94/x
  3. Step 3: Cross multiply
    25,129.29x = 34,678.88 × 13,799.94
  4. Step 4: Simplify right side
    25,129.29x = 478,566,393.60
  5. Step 5: Solve for x
    x = 478,566,393.60/25,129.29
  6. Step 6: Final answer
    x = 19,044.17

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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.