Home / 44,451.62-66,679.88-13,289.30

Finding the Fourth Proportional to 44,451.62, 66,679.88 and 13,289.30

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Solution

The fourth proportional to 44,451.62, 66,679.88 and 13,289.30 is: 19,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,451.62 : 66,679.88 = 13,289.30 : x
  2. Step 2: Convert to fraction form
    44,451.62/66,679.88 = 13,289.30/x
  3. Step 3: Cross multiply
    44,451.62x = 66,679.88 × 13,289.30
  4. Step 4: Simplify right side
    44,451.62x = 886,128,929.28
  5. Step 5: Solve for x
    x = 886,128,929.28/44,451.62
  6. Step 6: Final answer
    x = 19,934.68

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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.