Home / 16,121.90-24,159.48-11,451.06

Finding the Fourth Proportional to 16,121.90, 24,159.48 and 11,451.06

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Solution

The fourth proportional to 16,121.90, 24,159.48 and 11,451.06 is: 17,159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.90 : 24,159.48 = 11,451.06 : x
  2. Step 2: Convert to fraction form
    16,121.90/24,159.48 = 11,451.06/x
  3. Step 3: Cross multiply
    16,121.90x = 24,159.48 × 11,451.06
  4. Step 4: Simplify right side
    16,121.90x = 276,651,655.05
  5. Step 5: Solve for x
    x = 276,651,655.05/16,121.90
  6. Step 6: Final answer
    x = 17,159.99

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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.