Home / 22,532.40-33,700.20-18,399

Finding the Fourth Proportional to 22,532.40, 33,700.20 and 18,399

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Solution

The fourth proportional to 22,532.40, 33,700.20 and 18,399 is: 27,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,532.40 : 33,700.20 = 18,399 : x
  2. Step 2: Convert to fraction form
    22,532.40/33,700.20 = 18,399/x
  3. Step 3: Cross multiply
    22,532.40x = 33,700.20 × 18,399
  4. Step 4: Simplify right side
    22,532.40x = 620,049,979.80
  5. Step 5: Solve for x
    x = 620,049,979.80/22,532.40
  6. Step 6: Final answer
    x = 27,518.15

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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.