Home / 13,043.18-19,560.12-4,721.03

Finding the Fourth Proportional to 13,043.18, 19,560.12 and 4,721.03

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Solution

The fourth proportional to 13,043.18, 19,560.12 and 4,721.03 is: 7,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.18 : 19,560.12 = 4,721.03 : x
  2. Step 2: Convert to fraction form
    13,043.18/19,560.12 = 4,721.03/x
  3. Step 3: Cross multiply
    13,043.18x = 19,560.12 × 4,721.03
  4. Step 4: Simplify right side
    13,043.18x = 92,343,944.52
  5. Step 5: Solve for x
    x = 92,343,944.52/13,043.18
  6. Step 6: Final answer
    x = 7,079.87

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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.