Home / 20,032.32-27,652.68-12,081.36

Finding the Fourth Proportional to 20,032.32, 27,652.68 and 12,081.36

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Solution

The fourth proportional to 20,032.32, 27,652.68 and 12,081.36 is: 16,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.32 : 27,652.68 = 12,081.36 : x
  2. Step 2: Convert to fraction form
    20,032.32/27,652.68 = 12,081.36/x
  3. Step 3: Cross multiply
    20,032.32x = 27,652.68 × 12,081.36
  4. Step 4: Simplify right side
    20,032.32x = 334,081,982.04
  5. Step 5: Solve for x
    x = 334,081,982.04/20,032.32
  6. Step 6: Final answer
    x = 16,677.15

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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.