Home / 32,712.30-45,143.19-18,565.38

Finding the Fourth Proportional to 32,712.30, 45,143.19 and 18,565.38

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Solution

The fourth proportional to 32,712.30, 45,143.19 and 18,565.38 is: 25,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.30 : 45,143.19 = 18,565.38 : x
  2. Step 2: Convert to fraction form
    32,712.30/45,143.19 = 18,565.38/x
  3. Step 3: Cross multiply
    32,712.30x = 45,143.19 × 18,565.38
  4. Step 4: Simplify right side
    32,712.30x = 838,100,476.76
  5. Step 5: Solve for x
    x = 838,100,476.76/32,712.30
  6. Step 6: Final answer
    x = 25,620.35

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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.