Home / 20,180.23-27,848.02-11,104.74

Finding the Fourth Proportional to 20,180.23, 27,848.02 and 11,104.74

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Solution

The fourth proportional to 20,180.23, 27,848.02 and 11,104.74 is: 15,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.23 : 27,848.02 = 11,104.74 : x
  2. Step 2: Convert to fraction form
    20,180.23/27,848.02 = 11,104.74/x
  3. Step 3: Cross multiply
    20,180.23x = 27,848.02 × 11,104.74
  4. Step 4: Simplify right side
    20,180.23x = 309,244,966.09
  5. Step 5: Solve for x
    x = 309,244,966.09/20,180.23
  6. Step 6: Final answer
    x = 15,324.15

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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.