Home / 16,059.25-22,161.77-8,987.04

Finding the Fourth Proportional to 16,059.25, 22,161.77 and 8,987.04

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Solution

The fourth proportional to 16,059.25, 22,161.77 and 8,987.04 is: 12,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,059.25 : 22,161.77 = 8,987.04 : x
  2. Step 2: Convert to fraction form
    16,059.25/22,161.77 = 8,987.04/x
  3. Step 3: Cross multiply
    16,059.25x = 22,161.77 × 8,987.04
  4. Step 4: Simplify right side
    16,059.25x = 199,168,713.46
  5. Step 5: Solve for x
    x = 199,168,713.46/16,059.25
  6. Step 6: Final answer
    x = 12,402.12

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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.