Home / 22,266.57-30,728.07-15,192.84

Finding the Fourth Proportional to 22,266.57, 30,728.07 and 15,192.84

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Solution

The fourth proportional to 22,266.57, 30,728.07 and 15,192.84 is: 20,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.57 : 30,728.07 = 15,192.84 : x
  2. Step 2: Convert to fraction form
    22,266.57/30,728.07 = 15,192.84/x
  3. Step 3: Cross multiply
    22,266.57x = 30,728.07 × 15,192.84
  4. Step 4: Simplify right side
    22,266.57x = 466,846,421.41
  5. Step 5: Solve for x
    x = 466,846,421.41/22,266.57
  6. Step 6: Final answer
    x = 20,966.25

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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.