Home / 22,191.81-30,562.47-22,122.62

Finding the Fourth Proportional to 22,191.81, 30,562.47 and 22,122.62

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Solution

The fourth proportional to 22,191.81, 30,562.47 and 22,122.62 is: 30,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.81 : 30,562.47 = 22,122.62 : x
  2. Step 2: Convert to fraction form
    22,191.81/30,562.47 = 22,122.62/x
  3. Step 3: Cross multiply
    22,191.81x = 30,562.47 × 22,122.62
  4. Step 4: Simplify right side
    22,191.81x = 676,121,790.72
  5. Step 5: Solve for x
    x = 676,121,790.72/22,191.81
  6. Step 6: Final answer
    x = 30,467.17

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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.