Home / 16,761.60-23,130.24-9,310.08

Finding the Fourth Proportional to 16,761.60, 23,130.24 and 9,310.08

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Solution

The fourth proportional to 16,761.60, 23,130.24 and 9,310.08 is: 12,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.60 : 23,130.24 = 9,310.08 : x
  2. Step 2: Convert to fraction form
    16,761.60/23,130.24 = 9,310.08/x
  3. Step 3: Cross multiply
    16,761.60x = 23,130.24 × 9,310.08
  4. Step 4: Simplify right side
    16,761.60x = 215,344,384.82
  5. Step 5: Solve for x
    x = 215,344,384.82/16,761.60
  6. Step 6: Final answer
    x = 12,847.48

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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.