Home / 22,122.50-30,535.72-15,053.02

Finding the Fourth Proportional to 22,122.50, 30,535.72 and 15,053.02

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Solution

The fourth proportional to 22,122.50, 30,535.72 and 15,053.02 is: 20,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.50 : 30,535.72 = 15,053.02 : x
  2. Step 2: Convert to fraction form
    22,122.50/30,535.72 = 15,053.02/x
  3. Step 3: Cross multiply
    22,122.50x = 30,535.72 × 15,053.02
  4. Step 4: Simplify right side
    22,122.50x = 459,654,803.87
  5. Step 5: Solve for x
    x = 459,654,803.87/22,122.50
  6. Step 6: Final answer
    x = 20,777.71

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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.