Home / 15,930.85-23,899.16-6,565.65

Finding the Fourth Proportional to 15,930.85, 23,899.16 and 6,565.65

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Solution

The fourth proportional to 15,930.85, 23,899.16 and 6,565.65 is: 9,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.85 : 23,899.16 = 6,565.65 : x
  2. Step 2: Convert to fraction form
    15,930.85/23,899.16 = 6,565.65/x
  3. Step 3: Cross multiply
    15,930.85x = 23,899.16 × 6,565.65
  4. Step 4: Simplify right side
    15,930.85x = 156,913,601.27
  5. Step 5: Solve for x
    x = 156,913,601.27/15,930.85
  6. Step 6: Final answer
    x = 9,849.67

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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.