Home / 16,335.72-22,545.81-9,260.64

Finding the Fourth Proportional to 16,335.72, 22,545.81 and 9,260.64

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Solution

The fourth proportional to 16,335.72, 22,545.81 and 9,260.64 is: 12,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,335.72 : 22,545.81 = 9,260.64 : x
  2. Step 2: Convert to fraction form
    16,335.72/22,545.81 = 9,260.64/x
  3. Step 3: Cross multiply
    16,335.72x = 22,545.81 × 9,260.64
  4. Step 4: Simplify right side
    16,335.72x = 208,788,629.92
  5. Step 5: Solve for x
    x = 208,788,629.92/16,335.72
  6. Step 6: Final answer
    x = 12,781.11

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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.