Home / 15,781.93-23,704.43-9,869.33

Finding the Fourth Proportional to 15,781.93, 23,704.43 and 9,869.33

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Solution

The fourth proportional to 15,781.93, 23,704.43 and 9,869.33 is: 14,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.93 : 23,704.43 = 9,869.33 : x
  2. Step 2: Convert to fraction form
    15,781.93/23,704.43 = 9,869.33/x
  3. Step 3: Cross multiply
    15,781.93x = 23,704.43 × 9,869.33
  4. Step 4: Simplify right side
    15,781.93x = 233,946,792.79
  5. Step 5: Solve for x
    x = 233,946,792.79/15,781.93
  6. Step 6: Final answer
    x = 14,823.72

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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.