Home / 22,282.68-30,750.11-12,211.03

Finding the Fourth Proportional to 22,282.68, 30,750.11 and 12,211.03

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Solution

The fourth proportional to 22,282.68, 30,750.11 and 12,211.03 is: 16,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.68 : 30,750.11 = 12,211.03 : x
  2. Step 2: Convert to fraction form
    22,282.68/30,750.11 = 12,211.03/x
  3. Step 3: Cross multiply
    22,282.68x = 30,750.11 × 12,211.03
  4. Step 4: Simplify right side
    22,282.68x = 375,490,515.71
  5. Step 5: Solve for x
    x = 375,490,515.71/22,282.68
  6. Step 6: Final answer
    x = 16,851.23

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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.