Home / 23,689.55-32,691.30-13,078.95

Finding the Fourth Proportional to 23,689.55, 32,691.30 and 13,078.95

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Solution

The fourth proportional to 23,689.55, 32,691.30 and 13,078.95 is: 18,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.55 : 32,691.30 = 13,078.95 : x
  2. Step 2: Convert to fraction form
    23,689.55/32,691.30 = 13,078.95/x
  3. Step 3: Cross multiply
    23,689.55x = 32,691.30 × 13,078.95
  4. Step 4: Simplify right side
    23,689.55x = 427,567,878.14
  5. Step 5: Solve for x
    x = 427,567,878.14/23,689.55
  6. Step 6: Final answer
    x = 18,048.80

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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.