Home / 65,632.57-98,432.45-18,885.44

Finding the Fourth Proportional to 65,632.57, 98,432.45 and 18,885.44

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Solution

The fourth proportional to 65,632.57, 98,432.45 and 18,885.44 is: 28,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,632.57 : 98,432.45 = 18,885.44 : x
  2. Step 2: Convert to fraction form
    65,632.57/98,432.45 = 18,885.44/x
  3. Step 3: Cross multiply
    65,632.57x = 98,432.45 × 18,885.44
  4. Step 4: Simplify right side
    65,632.57x = 1,858,940,128.53
  5. Step 5: Solve for x
    x = 1,858,940,128.53/65,632.57
  6. Step 6: Final answer
    x = 28,323.44

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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.