Home / 39,992.10-59,989.80-13,714.92

Finding the Fourth Proportional to 39,992.10, 59,989.80 and 13,714.92

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Solution

The fourth proportional to 39,992.10, 59,989.80 and 13,714.92 is: 20,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.10 : 59,989.80 = 13,714.92 : x
  2. Step 2: Convert to fraction form
    39,992.10/59,989.80 = 13,714.92/x
  3. Step 3: Cross multiply
    39,992.10x = 59,989.80 × 13,714.92
  4. Step 4: Simplify right side
    39,992.10x = 822,755,307.82
  5. Step 5: Solve for x
    x = 822,755,307.82/39,992.10
  6. Step 6: Final answer
    x = 20,572.95

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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.