Home / 22,917.60-34,376.40-8,126.40

Finding the Fourth Proportional to 22,917.60, 34,376.40 and 8,126.40

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Solution

The fourth proportional to 22,917.60, 34,376.40 and 8,126.40 is: 12,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.60 : 34,376.40 = 8,126.40 : x
  2. Step 2: Convert to fraction form
    22,917.60/34,376.40 = 8,126.40/x
  3. Step 3: Cross multiply
    22,917.60x = 34,376.40 × 8,126.40
  4. Step 4: Simplify right side
    22,917.60x = 279,356,376.96
  5. Step 5: Solve for x
    x = 279,356,376.96/22,917.60
  6. Step 6: Final answer
    x = 12,189.60

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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.