Home / 22,136.40-33,204.46-8,988.64

Finding the Fourth Proportional to 22,136.40, 33,204.46 and 8,988.64

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Solution

The fourth proportional to 22,136.40, 33,204.46 and 8,988.64 is: 13,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.40 : 33,204.46 = 8,988.64 : x
  2. Step 2: Convert to fraction form
    22,136.40/33,204.46 = 8,988.64/x
  3. Step 3: Cross multiply
    22,136.40x = 33,204.46 × 8,988.64
  4. Step 4: Simplify right side
    22,136.40x = 298,462,937.33
  5. Step 5: Solve for x
    x = 298,462,937.33/22,136.40
  6. Step 6: Final answer
    x = 13,482.90

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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.