Home / 21,851.76-32,747.73-16,510.55

Finding the Fourth Proportional to 21,851.76, 32,747.73 and 16,510.55

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Solution

The fourth proportional to 21,851.76, 32,747.73 and 16,510.55 is: 24,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851.76 : 32,747.73 = 16,510.55 : x
  2. Step 2: Convert to fraction form
    21,851.76/32,747.73 = 16,510.55/x
  3. Step 3: Cross multiply
    21,851.76x = 32,747.73 × 16,510.55
  4. Step 4: Simplify right side
    21,851.76x = 540,683,033.55
  5. Step 5: Solve for x
    x = 540,683,033.55/21,851.76
  6. Step 6: Final answer
    x = 24,743.23

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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.