Home / 23,789.55-32,830.65-13,179.18

Finding the Fourth Proportional to 23,789.55, 32,830.65 and 13,179.18

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Solution

The fourth proportional to 23,789.55, 32,830.65 and 13,179.18 is: 18,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.55 : 32,830.65 = 13,179.18 : x
  2. Step 2: Convert to fraction form
    23,789.55/32,830.65 = 13,179.18/x
  3. Step 3: Cross multiply
    23,789.55x = 32,830.65 × 13,179.18
  4. Step 4: Simplify right side
    23,789.55x = 432,681,045.87
  5. Step 5: Solve for x
    x = 432,681,045.87/23,789.55
  6. Step 6: Final answer
    x = 18,187.86

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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.