Home / 15,373.46-23,065.76-5,379.68

Finding the Fourth Proportional to 15,373.46, 23,065.76 and 5,379.68

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Solution

The fourth proportional to 15,373.46, 23,065.76 and 5,379.68 is: 8,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.46 : 23,065.76 = 5,379.68 : x
  2. Step 2: Convert to fraction form
    15,373.46/23,065.76 = 5,379.68/x
  3. Step 3: Cross multiply
    15,373.46x = 23,065.76 × 5,379.68
  4. Step 4: Simplify right side
    15,373.46x = 124,086,478.87
  5. Step 5: Solve for x
    x = 124,086,478.87/15,373.46
  6. Step 6: Final answer
    x = 8,071.47

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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.