Home / 22,012.60-32,981.10-10,301.80

Finding the Fourth Proportional to 22,012.60, 32,981.10 and 10,301.80

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Solution

The fourth proportional to 22,012.60, 32,981.10 and 10,301.80 is: 15,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.60 : 32,981.10 = 10,301.80 : x
  2. Step 2: Convert to fraction form
    22,012.60/32,981.10 = 10,301.80/x
  3. Step 3: Cross multiply
    22,012.60x = 32,981.10 × 10,301.80
  4. Step 4: Simplify right side
    22,012.60x = 339,764,695.98
  5. Step 5: Solve for x
    x = 339,764,695.98/22,012.60
  6. Step 6: Final answer
    x = 15,435.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.