Home / 15,360.72-23,046.48-8,792.40

Finding the Fourth Proportional to 15,360.72, 23,046.48 and 8,792.40

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Solution

The fourth proportional to 15,360.72, 23,046.48 and 8,792.40 is: 13,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.72 : 23,046.48 = 8,792.40 : x
  2. Step 2: Convert to fraction form
    15,360.72/23,046.48 = 8,792.40/x
  3. Step 3: Cross multiply
    15,360.72x = 23,046.48 × 8,792.40
  4. Step 4: Simplify right side
    15,360.72x = 202,633,870.75
  5. Step 5: Solve for x
    x = 202,633,870.75/15,360.72
  6. Step 6: Final answer
    x = 13,191.69

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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.