Home / 22,853.43-31,537.51-12,781.76

Finding the Fourth Proportional to 22,853.43, 31,537.51 and 12,781.76

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Solution

The fourth proportional to 22,853.43, 31,537.51 and 12,781.76 is: 17,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,853.43 : 31,537.51 = 12,781.76 : x
  2. Step 2: Convert to fraction form
    22,853.43/31,537.51 = 12,781.76/x
  3. Step 3: Cross multiply
    22,853.43x = 31,537.51 × 12,781.76
  4. Step 4: Simplify right side
    22,853.43x = 403,104,694.18
  5. Step 5: Solve for x
    x = 403,104,694.18/22,853.43
  6. Step 6: Final answer
    x = 17,638.70

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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.