Home / 22,514.35-31,070.13-12,443.02

Finding the Fourth Proportional to 22,514.35, 31,070.13 and 12,443.02

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Solution

The fourth proportional to 22,514.35, 31,070.13 and 12,443.02 is: 17,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,514.35 : 31,070.13 = 12,443.02 : x
  2. Step 2: Convert to fraction form
    22,514.35/31,070.13 = 12,443.02/x
  3. Step 3: Cross multiply
    22,514.35x = 31,070.13 × 12,443.02
  4. Step 4: Simplify right side
    22,514.35x = 386,606,248.99
  5. Step 5: Solve for x
    x = 386,606,248.99/22,514.35
  6. Step 6: Final answer
    x = 17,171.55

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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.