Home / 15,961.56-22,026.36-8,888.16

Finding the Fourth Proportional to 15,961.56, 22,026.36 and 8,888.16

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Solution

The fourth proportional to 15,961.56, 22,026.36 and 8,888.16 is: 12,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.56 : 22,026.36 = 8,888.16 : x
  2. Step 2: Convert to fraction form
    15,961.56/22,026.36 = 8,888.16/x
  3. Step 3: Cross multiply
    15,961.56x = 22,026.36 × 8,888.16
  4. Step 4: Simplify right side
    15,961.56x = 195,773,811.90
  5. Step 5: Solve for x
    x = 195,773,811.90/15,961.56
  6. Step 6: Final answer
    x = 12,265.33

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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.