Home / 20,001.47-27,600.55-11,047.32

Finding the Fourth Proportional to 20,001.47, 27,600.55 and 11,047.32

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Solution

The fourth proportional to 20,001.47, 27,600.55 and 11,047.32 is: 15,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.47 : 27,600.55 = 11,047.32 : x
  2. Step 2: Convert to fraction form
    20,001.47/27,600.55 = 11,047.32/x
  3. Step 3: Cross multiply
    20,001.47x = 27,600.55 × 11,047.32
  4. Step 4: Simplify right side
    20,001.47x = 304,912,080.41
  5. Step 5: Solve for x
    x = 304,912,080.41/20,001.47
  6. Step 6: Final answer
    x = 15,244.49

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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.