Home / 23,733.11-32,751.53-12,978.20

Finding the Fourth Proportional to 23,733.11, 32,751.53 and 12,978.20

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Solution

The fourth proportional to 23,733.11, 32,751.53 and 12,978.20 is: 17,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,733.11 : 32,751.53 = 12,978.20 : x
  2. Step 2: Convert to fraction form
    23,733.11/32,751.53 = 12,978.20/x
  3. Step 3: Cross multiply
    23,733.11x = 32,751.53 × 12,978.20
  4. Step 4: Simplify right side
    23,733.11x = 425,055,906.65
  5. Step 5: Solve for x
    x = 425,055,906.65/23,733.11
  6. Step 6: Final answer
    x = 17,909.83

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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.