Home / 16,987.68-23,443.20-10,274.04

Finding the Fourth Proportional to 16,987.68, 23,443.20 and 10,274.04

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Solution

The fourth proportional to 16,987.68, 23,443.20 and 10,274.04 is: 14,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.68 : 23,443.20 = 10,274.04 : x
  2. Step 2: Convert to fraction form
    16,987.68/23,443.20 = 10,274.04/x
  3. Step 3: Cross multiply
    16,987.68x = 23,443.20 × 10,274.04
  4. Step 4: Simplify right side
    16,987.68x = 240,856,374.53
  5. Step 5: Solve for x
    x = 240,856,374.53/16,987.68
  6. Step 6: Final answer
    x = 14,178.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.