Home / 65,331.68-98,000.76-18,587.84

Finding the Fourth Proportional to 65,331.68, 98,000.76 and 18,587.84

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Solution

The fourth proportional to 65,331.68, 98,000.76 and 18,587.84 is: 27,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,331.68 : 98,000.76 = 18,587.84 : x
  2. Step 2: Convert to fraction form
    65,331.68/98,000.76 = 18,587.84/x
  3. Step 3: Cross multiply
    65,331.68x = 98,000.76 × 18,587.84
  4. Step 4: Simplify right side
    65,331.68x = 1,821,622,446.76
  5. Step 5: Solve for x
    x = 1,821,622,446.76/65,331.68
  6. Step 6: Final answer
    x = 27,882.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.