Home / 13,359.96-20,047.65-5,045.79

Finding the Fourth Proportional to 13,359.96, 20,047.65 and 5,045.79

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Solution

The fourth proportional to 13,359.96, 20,047.65 and 5,045.79 is: 7,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.96 : 20,047.65 = 5,045.79 : x
  2. Step 2: Convert to fraction form
    13,359.96/20,047.65 = 5,045.79/x
  3. Step 3: Cross multiply
    13,359.96x = 20,047.65 × 5,045.79
  4. Step 4: Simplify right side
    13,359.96x = 101,156,231.89
  5. Step 5: Solve for x
    x = 101,156,231.89/13,359.96
  6. Step 6: Final answer
    x = 7,571.60

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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.