Home / 22,182.75-30,572.10-18,385.92

Finding the Fourth Proportional to 22,182.75, 30,572.10 and 18,385.92

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Solution

The fourth proportional to 22,182.75, 30,572.10 and 18,385.92 is: 25,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.75 : 30,572.10 = 18,385.92 : x
  2. Step 2: Convert to fraction form
    22,182.75/30,572.10 = 18,385.92/x
  3. Step 3: Cross multiply
    22,182.75x = 30,572.10 × 18,385.92
  4. Step 4: Simplify right side
    22,182.75x = 562,096,184.83
  5. Step 5: Solve for x
    x = 562,096,184.83/22,182.75
  6. Step 6: Final answer
    x = 25,339.34

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.