Home / 23,127.66-31,916.10-12,517.27

Finding the Fourth Proportional to 23,127.66, 31,916.10 and 12,517.27

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Solution

The fourth proportional to 23,127.66, 31,916.10 and 12,517.27 is: 17,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.66 : 31,916.10 = 12,517.27 : x
  2. Step 2: Convert to fraction form
    23,127.66/31,916.10 = 12,517.27/x
  3. Step 3: Cross multiply
    23,127.66x = 31,916.10 × 12,517.27
  4. Step 4: Simplify right side
    23,127.66x = 399,502,441.05
  5. Step 5: Solve for x
    x = 399,502,441.05/23,127.66
  6. Step 6: Final answer
    x = 17,273.79

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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.