Home / 32,885.92-45,387.36-18,740.16

Finding the Fourth Proportional to 32,885.92, 45,387.36 and 18,740.16

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Solution

The fourth proportional to 32,885.92, 45,387.36 and 18,740.16 is: 25,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.92 : 45,387.36 = 18,740.16 : x
  2. Step 2: Convert to fraction form
    32,885.92/45,387.36 = 18,740.16/x
  3. Step 3: Cross multiply
    32,885.92x = 45,387.36 × 18,740.16
  4. Step 4: Simplify right side
    32,885.92x = 850,566,388.38
  5. Step 5: Solve for x
    x = 850,566,388.38/32,885.92
  6. Step 6: Final answer
    x = 25,864.15

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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.