Home / 22,288.72-30,737.14-13,334.80

Finding the Fourth Proportional to 22,288.72, 30,737.14 and 13,334.80

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Solution

The fourth proportional to 22,288.72, 30,737.14 and 13,334.80 is: 18,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.72 : 30,737.14 = 13,334.80 : x
  2. Step 2: Convert to fraction form
    22,288.72/30,737.14 = 13,334.80/x
  3. Step 3: Cross multiply
    22,288.72x = 30,737.14 × 13,334.80
  4. Step 4: Simplify right side
    22,288.72x = 409,873,614.47
  5. Step 5: Solve for x
    x = 409,873,614.47/22,288.72
  6. Step 6: Final answer
    x = 18,389.28

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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.