Home / 22,061.81-30,476.28-20,068.85

Finding the Fourth Proportional to 22,061.81, 30,476.28 and 20,068.85

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Solution

The fourth proportional to 22,061.81, 30,476.28 and 20,068.85 is: 27,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,061.81 : 30,476.28 = 20,068.85 : x
  2. Step 2: Convert to fraction form
    22,061.81/30,476.28 = 20,068.85/x
  3. Step 3: Cross multiply
    22,061.81x = 30,476.28 × 20,068.85
  4. Step 4: Simplify right side
    22,061.81x = 611,623,891.88
  5. Step 5: Solve for x
    x = 611,623,891.88/22,061.81
  6. Step 6: Final answer
    x = 27,723.20

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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.