Home / 22,012.40-32,936.16-13,095.20

Finding the Fourth Proportional to 22,012.40, 32,936.16 and 13,095.20

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Solution

The fourth proportional to 22,012.40, 32,936.16 and 13,095.20 is: 19,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.40 : 32,936.16 = 13,095.20 : x
  2. Step 2: Convert to fraction form
    22,012.40/32,936.16 = 13,095.20/x
  3. Step 3: Cross multiply
    22,012.40x = 32,936.16 × 13,095.20
  4. Step 4: Simplify right side
    22,012.40x = 431,305,602.43
  5. Step 5: Solve for x
    x = 431,305,602.43/22,012.40
  6. Step 6: Final answer
    x = 19,593.76

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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.