Home / 22,877.43-31,569.13-12,803.57

Finding the Fourth Proportional to 22,877.43, 31,569.13 and 12,803.57

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Solution

The fourth proportional to 22,877.43, 31,569.13 and 12,803.57 is: 17,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,877.43 : 31,569.13 = 12,803.57 : x
  2. Step 2: Convert to fraction form
    22,877.43/31,569.13 = 12,803.57/x
  3. Step 3: Cross multiply
    22,877.43x = 31,569.13 × 12,803.57
  4. Step 4: Simplify right side
    22,877.43x = 404,197,343.93
  5. Step 5: Solve for x
    x = 404,197,343.93/22,877.43
  6. Step 6: Final answer
    x = 17,667.95

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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.