Home / 15,960.66-22,027.20-8,888.16

Finding the Fourth Proportional to 15,960.66, 22,027.20 and 8,888.16

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Solution

The fourth proportional to 15,960.66, 22,027.20 and 8,888.16 is: 12,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.66 : 22,027.20 = 8,888.16 : x
  2. Step 2: Convert to fraction form
    15,960.66/22,027.20 = 8,888.16/x
  3. Step 3: Cross multiply
    15,960.66x = 22,027.20 × 8,888.16
  4. Step 4: Simplify right side
    15,960.66x = 195,781,277.95
  5. Step 5: Solve for x
    x = 195,781,277.95/15,960.66
  6. Step 6: Final answer
    x = 12,266.49

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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.