Home / 23,420.84-35,136.38-6,781.55

Finding the Fourth Proportional to 23,420.84, 35,136.38 and 6,781.55

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Solution

The fourth proportional to 23,420.84, 35,136.38 and 6,781.55 is: 10,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.84 : 35,136.38 = 6,781.55 : x
  2. Step 2: Convert to fraction form
    23,420.84/35,136.38 = 6,781.55/x
  3. Step 3: Cross multiply
    23,420.84x = 35,136.38 × 6,781.55
  4. Step 4: Simplify right side
    23,420.84x = 238,278,959.06
  5. Step 5: Solve for x
    x = 238,278,959.06/23,420.84
  6. Step 6: Final answer
    x = 10,173.80

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1.5x scale

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.