Home / 13,242.34-19,865.53-4,474.90

Finding the Fourth Proportional to 13,242.34, 19,865.53 and 4,474.90

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Solution

The fourth proportional to 13,242.34, 19,865.53 and 4,474.90 is: 6,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.34 : 19,865.53 = 4,474.90 : x
  2. Step 2: Convert to fraction form
    13,242.34/19,865.53 = 4,474.90/x
  3. Step 3: Cross multiply
    13,242.34x = 19,865.53 × 4,474.90
  4. Step 4: Simplify right side
    13,242.34x = 88,896,260.20
  5. Step 5: Solve for x
    x = 88,896,260.20/13,242.34
  6. Step 6: Final answer
    x = 6,713.03

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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.