Home / 15,872.91-23,802.48-8,475.72

Finding the Fourth Proportional to 15,872.91, 23,802.48 and 8,475.72

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Solution

The fourth proportional to 15,872.91, 23,802.48 and 8,475.72 is: 12,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.91 : 23,802.48 = 8,475.72 : x
  2. Step 2: Convert to fraction form
    15,872.91/23,802.48 = 8,475.72/x
  3. Step 3: Cross multiply
    15,872.91x = 23,802.48 × 8,475.72
  4. Step 4: Simplify right side
    15,872.91x = 201,743,155.79
  5. Step 5: Solve for x
    x = 201,743,155.79/15,872.91
  6. Step 6: Final answer
    x = 12,709.90

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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.