Home / 15,944.68-22,003.59-8,871.09

Finding the Fourth Proportional to 15,944.68, 22,003.59 and 8,871.09

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Solution

The fourth proportional to 15,944.68, 22,003.59 and 8,871.09 is: 12,242.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.68 : 22,003.59 = 8,871.09 : x
  2. Step 2: Convert to fraction form
    15,944.68/22,003.59 = 8,871.09/x
  3. Step 3: Cross multiply
    15,944.68x = 22,003.59 × 8,871.09
  4. Step 4: Simplify right side
    15,944.68x = 195,195,827.21
  5. Step 5: Solve for x
    x = 195,195,827.21/15,944.68
  6. Step 6: Final answer
    x = 12,242.07

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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.