Home / 22,176.56-33,242.76-12,320.24

Finding the Fourth Proportional to 22,176.56, 33,242.76 and 12,320.24

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Solution

The fourth proportional to 22,176.56, 33,242.76 and 12,320.24 is: 18,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.56 : 33,242.76 = 12,320.24 : x
  2. Step 2: Convert to fraction form
    22,176.56/33,242.76 = 12,320.24/x
  3. Step 3: Cross multiply
    22,176.56x = 33,242.76 × 12,320.24
  4. Step 4: Simplify right side
    22,176.56x = 409,558,781.46
  5. Step 5: Solve for x
    x = 409,558,781.46/22,176.56
  6. Step 6: Final answer
    x = 18,468.09

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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.