Home / 16,787.24-23,167.53-11,112.22

Finding the Fourth Proportional to 16,787.24, 23,167.53 and 11,112.22

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Solution

The fourth proportional to 16,787.24, 23,167.53 and 11,112.22 is: 15,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.24 : 23,167.53 = 11,112.22 : x
  2. Step 2: Convert to fraction form
    16,787.24/23,167.53 = 11,112.22/x
  3. Step 3: Cross multiply
    16,787.24x = 23,167.53 × 11,112.22
  4. Step 4: Simplify right side
    16,787.24x = 257,442,574.38
  5. Step 5: Solve for x
    x = 257,442,574.38/16,787.24
  6. Step 6: Final answer
    x = 15,335.61

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Double scale
Find fourth proportional to 16,788.24, 23,168.91 and 11,113.22
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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.