Home / 19,731.54-27,232.14-12,562.18

Finding the Fourth Proportional to 19,731.54, 27,232.14 and 12,562.18

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Solution

The fourth proportional to 19,731.54, 27,232.14 and 12,562.18 is: 17,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.54 : 27,232.14 = 12,562.18 : x
  2. Step 2: Convert to fraction form
    19,731.54/27,232.14 = 12,562.18/x
  3. Step 3: Cross multiply
    19,731.54x = 27,232.14 × 12,562.18
  4. Step 4: Simplify right side
    19,731.54x = 342,095,044.47
  5. Step 5: Solve for x
    x = 342,095,044.47/19,731.54
  6. Step 6: Final answer
    x = 17,337.47

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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.