Home / 22,154.36-30,572.76-12,082.76

Finding the Fourth Proportional to 22,154.36, 30,572.76 and 12,082.76

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Solution

The fourth proportional to 22,154.36, 30,572.76 and 12,082.76 is: 16,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.36 : 30,572.76 = 12,082.76 : x
  2. Step 2: Convert to fraction form
    22,154.36/30,572.76 = 12,082.76/x
  3. Step 3: Cross multiply
    22,154.36x = 30,572.76 × 12,082.76
  4. Step 4: Simplify right side
    22,154.36x = 369,403,321.62
  5. Step 5: Solve for x
    x = 369,403,321.62/22,154.36
  6. Step 6: Final answer
    x = 16,674.07

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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.