Home / 20,030.14-27,641.82-11,077.48

Finding the Fourth Proportional to 20,030.14, 27,641.82 and 11,077.48

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Solution

The fourth proportional to 20,030.14, 27,641.82 and 11,077.48 is: 15,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.14 : 27,641.82 = 11,077.48 : x
  2. Step 2: Convert to fraction form
    20,030.14/27,641.82 = 11,077.48/x
  3. Step 3: Cross multiply
    20,030.14x = 27,641.82 × 11,077.48
  4. Step 4: Simplify right side
    20,030.14x = 306,201,708.21
  5. Step 5: Solve for x
    x = 306,201,708.21/20,030.14
  6. Step 6: Final answer
    x = 15,287.05

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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.