Home / 16,139.62-22,270.26-9,064.68

Finding the Fourth Proportional to 16,139.62, 22,270.26 and 9,064.68

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Solution

The fourth proportional to 16,139.62, 22,270.26 and 9,064.68 is: 12,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,139.62 : 22,270.26 = 9,064.68 : x
  2. Step 2: Convert to fraction form
    16,139.62/22,270.26 = 9,064.68/x
  3. Step 3: Cross multiply
    16,139.62x = 22,270.26 × 9,064.68
  4. Step 4: Simplify right side
    16,139.62x = 201,872,780.42
  5. Step 5: Solve for x
    x = 201,872,780.42/16,139.62
  6. Step 6: Final answer
    x = 12,507.90

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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.