Home / 23,018.52-31,761.12-16,655.04

Finding the Fourth Proportional to 23,018.52, 31,761.12 and 16,655.04

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Solution

The fourth proportional to 23,018.52, 31,761.12 and 16,655.04 is: 22,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,018.52 : 31,761.12 = 16,655.04 : x
  2. Step 2: Convert to fraction form
    23,018.52/31,761.12 = 16,655.04/x
  3. Step 3: Cross multiply
    23,018.52x = 31,761.12 × 16,655.04
  4. Step 4: Simplify right side
    23,018.52x = 528,982,724.04
  5. Step 5: Solve for x
    x = 528,982,724.04/23,018.52
  6. Step 6: Final answer
    x = 22,980.74

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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.