Home / 19,560.16-29,346.96-5,711.20

Finding the Fourth Proportional to 19,560.16, 29,346.96 and 5,711.20

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Solution

The fourth proportional to 19,560.16, 29,346.96 and 5,711.20 is: 8,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.16 : 29,346.96 = 5,711.20 : x
  2. Step 2: Convert to fraction form
    19,560.16/29,346.96 = 5,711.20/x
  3. Step 3: Cross multiply
    19,560.16x = 29,346.96 × 5,711.20
  4. Step 4: Simplify right side
    19,560.16x = 167,606,357.95
  5. Step 5: Solve for x
    x = 167,606,357.95/19,560.16
  6. Step 6: Final answer
    x = 8,568.76

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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.