Home / 32,711.61-45,143.42-18,565.77

Finding the Fourth Proportional to 32,711.61, 45,143.42 and 18,565.77

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Solution

The fourth proportional to 32,711.61, 45,143.42 and 18,565.77 is: 25,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,711.61 : 45,143.42 = 18,565.77 : x
  2. Step 2: Convert to fraction form
    32,711.61/45,143.42 = 18,565.77/x
  3. Step 3: Cross multiply
    32,711.61x = 45,143.42 × 18,565.77
  4. Step 4: Simplify right side
    32,711.61x = 838,122,259.90
  5. Step 5: Solve for x
    x = 838,122,259.90/32,711.61
  6. Step 6: Final answer
    x = 25,621.55

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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.