Home / 16,655.39-22,983.45-9,100.21

Finding the Fourth Proportional to 16,655.39, 22,983.45 and 9,100.21

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Solution

The fourth proportional to 16,655.39, 22,983.45 and 9,100.21 is: 12,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.39 : 22,983.45 = 9,100.21 : x
  2. Step 2: Convert to fraction form
    16,655.39/22,983.45 = 9,100.21/x
  3. Step 3: Cross multiply
    16,655.39x = 22,983.45 × 9,100.21
  4. Step 4: Simplify right side
    16,655.39x = 209,154,221.52
  5. Step 5: Solve for x
    x = 209,154,221.52/16,655.39
  6. Step 6: Final answer
    x = 12,557.75

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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.