Home / 22,154.09-30,572.88-12,082.45

Finding the Fourth Proportional to 22,154.09, 30,572.88 and 12,082.45

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Solution

The fourth proportional to 22,154.09, 30,572.88 and 12,082.45 is: 16,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.09 : 30,572.88 = 12,082.45 : x
  2. Step 2: Convert to fraction form
    22,154.09/30,572.88 = 12,082.45/x
  3. Step 3: Cross multiply
    22,154.09x = 30,572.88 × 12,082.45
  4. Step 4: Simplify right side
    22,154.09x = 369,395,217.52
  5. Step 5: Solve for x
    x = 369,395,217.52/22,154.09
  6. Step 6: Final answer
    x = 16,673.91

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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.