Home / 16,691.60-23,033.64-9,240.08

Finding the Fourth Proportional to 16,691.60, 23,033.64 and 9,240.08

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Solution

The fourth proportional to 16,691.60, 23,033.64 and 9,240.08 is: 12,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.60 : 23,033.64 = 9,240.08 : x
  2. Step 2: Convert to fraction form
    16,691.60/23,033.64 = 9,240.08/x
  3. Step 3: Cross multiply
    16,691.60x = 23,033.64 × 9,240.08
  4. Step 4: Simplify right side
    16,691.60x = 212,832,676.29
  5. Step 5: Solve for x
    x = 212,832,676.29/16,691.60
  6. Step 6: Final answer
    x = 12,750.89

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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.