Home / 22,288.25-33,389.03-12,397.55

Finding the Fourth Proportional to 22,288.25, 33,389.03 and 12,397.55

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Solution

The fourth proportional to 22,288.25, 33,389.03 and 12,397.55 is: 18,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.25 : 33,389.03 = 12,397.55 : x
  2. Step 2: Convert to fraction form
    22,288.25/33,389.03 = 12,397.55/x
  3. Step 3: Cross multiply
    22,288.25x = 33,389.03 × 12,397.55
  4. Step 4: Simplify right side
    22,288.25x = 413,941,939.94
  5. Step 5: Solve for x
    x = 413,941,939.94/22,288.25
  6. Step 6: Final answer
    x = 18,572.21

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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.