Home / 16,045.68-22,143.09-8,973.78

Finding the Fourth Proportional to 16,045.68, 22,143.09 and 8,973.78

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Solution

The fourth proportional to 16,045.68, 22,143.09 and 8,973.78 is: 12,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,045.68 : 22,143.09 = 8,973.78 : x
  2. Step 2: Convert to fraction form
    16,045.68/22,143.09 = 8,973.78/x
  3. Step 3: Cross multiply
    16,045.68x = 22,143.09 × 8,973.78
  4. Step 4: Simplify right side
    16,045.68x = 198,707,218.18
  5. Step 5: Solve for x
    x = 198,707,218.18/16,045.68
  6. Step 6: Final answer
    x = 12,383.85

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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.