Home / 26,679.52-36,815.88-14,742.64

Finding the Fourth Proportional to 26,679.52, 36,815.88 and 14,742.64

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Solution

The fourth proportional to 26,679.52, 36,815.88 and 14,742.64 is: 20,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.52 : 36,815.88 = 14,742.64 : x
  2. Step 2: Convert to fraction form
    26,679.52/36,815.88 = 14,742.64/x
  3. Step 3: Cross multiply
    26,679.52x = 36,815.88 × 14,742.64
  4. Step 4: Simplify right side
    26,679.52x = 542,763,265.12
  5. Step 5: Solve for x
    x = 542,763,265.12/26,679.52
  6. Step 6: Final answer
    x = 20,343.82

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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.