Home / 22,088.66-30,483.19-12,659.05

Finding the Fourth Proportional to 22,088.66, 30,483.19 and 12,659.05

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Solution

The fourth proportional to 22,088.66, 30,483.19 and 12,659.05 is: 17,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,088.66 : 30,483.19 = 12,659.05 : x
  2. Step 2: Convert to fraction form
    22,088.66/30,483.19 = 12,659.05/x
  3. Step 3: Cross multiply
    22,088.66x = 30,483.19 × 12,659.05
  4. Step 4: Simplify right side
    22,088.66x = 385,888,073.95
  5. Step 5: Solve for x
    x = 385,888,073.95/22,088.66
  6. Step 6: Final answer
    x = 17,469.96

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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.