Home / 22,134.60-33,140.34-14,319.72

Finding the Fourth Proportional to 22,134.60, 33,140.34 and 14,319.72

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Solution

The fourth proportional to 22,134.60, 33,140.34 and 14,319.72 is: 21,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.60 : 33,140.34 = 14,319.72 : x
  2. Step 2: Convert to fraction form
    22,134.60/33,140.34 = 14,319.72/x
  3. Step 3: Cross multiply
    22,134.60x = 33,140.34 × 14,319.72
  4. Step 4: Simplify right side
    22,134.60x = 474,560,389.50
  5. Step 5: Solve for x
    x = 474,560,389.50/22,134.60
  6. Step 6: Final answer
    x = 21,439.75

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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.