Home / 22,590.29-31,186.40-17,543.18

Finding the Fourth Proportional to 22,590.29, 31,186.40 and 17,543.18

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Solution

The fourth proportional to 22,590.29, 31,186.40 and 17,543.18 is: 24,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.29 : 31,186.40 = 17,543.18 : x
  2. Step 2: Convert to fraction form
    22,590.29/31,186.40 = 17,543.18/x
  3. Step 3: Cross multiply
    22,590.29x = 31,186.40 × 17,543.18
  4. Step 4: Simplify right side
    22,590.29x = 547,108,385.10
  5. Step 5: Solve for x
    x = 547,108,385.10/22,590.29
  6. Step 6: Final answer
    x = 24,218.75

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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.