Home / 15,510.67-23,251.58-5,647.71

Finding the Fourth Proportional to 15,510.67, 23,251.58 and 5,647.71

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Solution

The fourth proportional to 15,510.67, 23,251.58 and 5,647.71 is: 8,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.67 : 23,251.58 = 5,647.71 : x
  2. Step 2: Convert to fraction form
    15,510.67/23,251.58 = 5,647.71/x
  3. Step 3: Cross multiply
    15,510.67x = 23,251.58 × 5,647.71
  4. Step 4: Simplify right side
    15,510.67x = 131,318,064.62
  5. Step 5: Solve for x
    x = 131,318,064.62/15,510.67
  6. Step 6: Final answer
    x = 8,466.31

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1.5x scale

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.