Home / 22,036.08-32,991.14-20,639.44

Finding the Fourth Proportional to 22,036.08, 32,991.14 and 20,639.44

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Solution

The fourth proportional to 22,036.08, 32,991.14 and 20,639.44 is: 30,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.08 : 32,991.14 = 20,639.44 : x
  2. Step 2: Convert to fraction form
    22,036.08/32,991.14 = 20,639.44/x
  3. Step 3: Cross multiply
    22,036.08x = 32,991.14 × 20,639.44
  4. Step 4: Simplify right side
    22,036.08x = 680,918,654.56
  5. Step 5: Solve for x
    x = 680,918,654.56/22,036.08
  6. Step 6: Final answer
    x = 30,900.17

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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.