Home / 22,155.14-30,580.42-12,600.18

Finding the Fourth Proportional to 22,155.14, 30,580.42 and 12,600.18

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Solution

The fourth proportional to 22,155.14, 30,580.42 and 12,600.18 is: 17,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.14 : 30,580.42 = 12,600.18 : x
  2. Step 2: Convert to fraction form
    22,155.14/30,580.42 = 12,600.18/x
  3. Step 3: Cross multiply
    22,155.14x = 30,580.42 × 12,600.18
  4. Step 4: Simplify right side
    22,155.14x = 385,318,788.60
  5. Step 5: Solve for x
    x = 385,318,788.60/22,155.14
  6. Step 6: Final answer
    x = 17,391.84

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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.