Home / 20,250.56-27,946.44-11,752.04

Finding the Fourth Proportional to 20,250.56, 27,946.44 and 11,752.04

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Solution

The fourth proportional to 20,250.56, 27,946.44 and 11,752.04 is: 16,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.56 : 27,946.44 = 11,752.04 : x
  2. Step 2: Convert to fraction form
    20,250.56/27,946.44 = 11,752.04/x
  3. Step 3: Cross multiply
    20,250.56x = 27,946.44 × 11,752.04
  4. Step 4: Simplify right side
    20,250.56x = 328,427,680.74
  5. Step 5: Solve for x
    x = 328,427,680.74/20,250.56
  6. Step 6: Final answer
    x = 16,218.20

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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.