Home / 16,054.88-22,155.60-8,981.36

Finding the Fourth Proportional to 16,054.88, 22,155.60 and 8,981.36

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Solution

The fourth proportional to 16,054.88, 22,155.60 and 8,981.36 is: 12,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,054.88 : 22,155.60 = 8,981.36 : x
  2. Step 2: Convert to fraction form
    16,054.88/22,155.60 = 8,981.36/x
  3. Step 3: Cross multiply
    16,054.88x = 22,155.60 × 8,981.36
  4. Step 4: Simplify right side
    16,054.88x = 198,987,419.62
  5. Step 5: Solve for x
    x = 198,987,419.62/16,054.88
  6. Step 6: Final answer
    x = 12,394.20

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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.