Home / 53,042.13-79,557.26-13,600.17

Finding the Fourth Proportional to 53,042.13, 79,557.26 and 13,600.17

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Solution

The fourth proportional to 53,042.13, 79,557.26 and 13,600.17 is: 20,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,042.13 : 79,557.26 = 13,600.17 : x
  2. Step 2: Convert to fraction form
    53,042.13/79,557.26 = 13,600.17/x
  3. Step 3: Cross multiply
    53,042.13x = 79,557.26 × 13,600.17
  4. Step 4: Simplify right side
    53,042.13x = 1,081,992,192.73
  5. Step 5: Solve for x
    x = 1,081,992,192.73/53,042.13
  6. Step 6: Final answer
    x = 20,398.73

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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.