Home / 16,053.60-22,153.35-8,979.87

Finding the Fourth Proportional to 16,053.60, 22,153.35 and 8,979.87

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Solution

The fourth proportional to 16,053.60, 22,153.35 and 8,979.87 is: 12,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,053.60 : 22,153.35 = 8,979.87 : x
  2. Step 2: Convert to fraction form
    16,053.60/22,153.35 = 8,979.87/x
  3. Step 3: Cross multiply
    16,053.60x = 22,153.35 × 8,979.87
  4. Step 4: Simplify right side
    16,053.60x = 198,934,203.06
  5. Step 5: Solve for x
    x = 198,934,203.06/16,053.60
  6. Step 6: Final answer
    x = 12,391.87

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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.