Home / 14,366.40-21,540.78-5,591.10

Finding the Fourth Proportional to 14,366.40, 21,540.78 and 5,591.10

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Solution

The fourth proportional to 14,366.40, 21,540.78 and 5,591.10 is: 8,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.40 : 21,540.78 = 5,591.10 : x
  2. Step 2: Convert to fraction form
    14,366.40/21,540.78 = 5,591.10/x
  3. Step 3: Cross multiply
    14,366.40x = 21,540.78 × 5,591.10
  4. Step 4: Simplify right side
    14,366.40x = 120,436,655.06
  5. Step 5: Solve for x
    x = 120,436,655.06/14,366.40
  6. Step 6: Final answer
    x = 8,383.22

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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.