Home / 22,981.52-31,714.48-13,045.52

Finding the Fourth Proportional to 22,981.52, 31,714.48 and 13,045.52

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Solution

The fourth proportional to 22,981.52, 31,714.48 and 13,045.52 is: 18,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.52 : 31,714.48 = 13,045.52 : x
  2. Step 2: Convert to fraction form
    22,981.52/31,714.48 = 13,045.52/x
  3. Step 3: Cross multiply
    22,981.52x = 31,714.48 × 13,045.52
  4. Step 4: Simplify right side
    22,981.52x = 413,731,883.13
  5. Step 5: Solve for x
    x = 413,731,883.13/22,981.52
  6. Step 6: Final answer
    x = 18,002.81

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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.