Home / 29,981.88-41,374.76-16,553.12

Finding the Fourth Proportional to 29,981.88, 41,374.76 and 16,553.12

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Solution

The fourth proportional to 29,981.88, 41,374.76 and 16,553.12 is: 22,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.88 : 41,374.76 = 16,553.12 : x
  2. Step 2: Convert to fraction form
    29,981.88/41,374.76 = 16,553.12/x
  3. Step 3: Cross multiply
    29,981.88x = 41,374.76 × 16,553.12
  4. Step 4: Simplify right side
    29,981.88x = 684,881,367.25
  5. Step 5: Solve for x
    x = 684,881,367.25/29,981.88
  6. Step 6: Final answer
    x = 22,843.18

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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.