Home / 16,476.72-22,775.25-15,168.87

Finding the Fourth Proportional to 16,476.72, 22,775.25 and 15,168.87

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Solution

The fourth proportional to 16,476.72, 22,775.25 and 15,168.87 is: 20,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,476.72 : 22,775.25 = 15,168.87 : x
  2. Step 2: Convert to fraction form
    16,476.72/22,775.25 = 15,168.87/x
  3. Step 3: Cross multiply
    16,476.72x = 22,775.25 × 15,168.87
  4. Step 4: Simplify right side
    16,476.72x = 345,474,806.47
  5. Step 5: Solve for x
    x = 345,474,806.47/16,476.72
  6. Step 6: Final answer
    x = 20,967.45

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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.