Home / 16,487.93-22,756.79-15,159.53

Finding the Fourth Proportional to 16,487.93, 22,756.79 and 15,159.53

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Solution

The fourth proportional to 16,487.93, 22,756.79 and 15,159.53 is: 20,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.93 : 22,756.79 = 15,159.53 : x
  2. Step 2: Convert to fraction form
    16,487.93/22,756.79 = 15,159.53/x
  3. Step 3: Cross multiply
    16,487.93x = 22,756.79 × 15,159.53
  4. Step 4: Simplify right side
    16,487.93x = 344,982,221.80
  5. Step 5: Solve for x
    x = 344,982,221.80/16,487.93
  6. Step 6: Final answer
    x = 20,923.32

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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.