Home / 14,899.20-22,353.60-9,974.40

Finding the Fourth Proportional to 14,899.20, 22,353.60 and 9,974.40

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Solution

The fourth proportional to 14,899.20, 22,353.60 and 9,974.40 is: 14,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.20 : 22,353.60 = 9,974.40 : x
  2. Step 2: Convert to fraction form
    14,899.20/22,353.60 = 9,974.40/x
  3. Step 3: Cross multiply
    14,899.20x = 22,353.60 × 9,974.40
  4. Step 4: Simplify right side
    14,899.20x = 222,963,747.84
  5. Step 5: Solve for x
    x = 222,963,747.84/14,899.20
  6. Step 6: Final answer
    x = 14,964.81

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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.