Home / 32,842.08-45,315.36-18,691.20

Finding the Fourth Proportional to 32,842.08, 45,315.36 and 18,691.20

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Solution

The fourth proportional to 32,842.08, 45,315.36 and 18,691.20 is: 25,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,842.08 : 45,315.36 = 18,691.20 : x
  2. Step 2: Convert to fraction form
    32,842.08/45,315.36 = 18,691.20/x
  3. Step 3: Cross multiply
    32,842.08x = 45,315.36 × 18,691.20
  4. Step 4: Simplify right side
    32,842.08x = 846,998,456.83
  5. Step 5: Solve for x
    x = 846,998,456.83/32,842.08
  6. Step 6: Final answer
    x = 25,790.04

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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.