Home / 15,559.13-23,338.70-5,170.88

Finding the Fourth Proportional to 15,559.13, 23,338.70 and 5,170.88

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Solution

The fourth proportional to 15,559.13, 23,338.70 and 5,170.88 is: 7,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.13 : 23,338.70 = 5,170.88 : x
  2. Step 2: Convert to fraction form
    15,559.13/23,338.70 = 5,170.88/x
  3. Step 3: Cross multiply
    15,559.13x = 23,338.70 × 5,170.88
  4. Step 4: Simplify right side
    15,559.13x = 120,681,474.51
  5. Step 5: Solve for x
    x = 120,681,474.51/15,559.13
  6. Step 6: Final answer
    x = 7,756.31

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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.