Home / 22,015.56-32,972.50-13,231.12

Finding the Fourth Proportional to 22,015.56, 32,972.50 and 13,231.12

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Solution

The fourth proportional to 22,015.56, 32,972.50 and 13,231.12 is: 19,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.56 : 32,972.50 = 13,231.12 : x
  2. Step 2: Convert to fraction form
    22,015.56/32,972.50 = 13,231.12/x
  3. Step 3: Cross multiply
    22,015.56x = 32,972.50 × 13,231.12
  4. Step 4: Simplify right side
    22,015.56x = 436,263,104.20
  5. Step 5: Solve for x
    x = 436,263,104.20/22,015.56
  6. Step 6: Final answer
    x = 19,816.13

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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.