Home / 15,954.22-22,016.45-8,881.30

Finding the Fourth Proportional to 15,954.22, 22,016.45 and 8,881.30

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Solution

The fourth proportional to 15,954.22, 22,016.45 and 8,881.30 is: 12,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.22 : 22,016.45 = 8,881.30 : x
  2. Step 2: Convert to fraction form
    15,954.22/22,016.45 = 8,881.30/x
  3. Step 3: Cross multiply
    15,954.22x = 22,016.45 × 8,881.30
  4. Step 4: Simplify right side
    15,954.22x = 195,534,697.39
  5. Step 5: Solve for x
    x = 195,534,697.39/15,954.22
  6. Step 6: Final answer
    x = 12,255.99

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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.