Home / 18,112.16-27,177.28-7,026.48

Finding the Fourth Proportional to 18,112.16, 27,177.28 and 7,026.48

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Solution

The fourth proportional to 18,112.16, 27,177.28 and 7,026.48 is: 10,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.16 : 27,177.28 = 7,026.48 : x
  2. Step 2: Convert to fraction form
    18,112.16/27,177.28 = 7,026.48/x
  3. Step 3: Cross multiply
    18,112.16x = 27,177.28 × 7,026.48
  4. Step 4: Simplify right side
    18,112.16x = 190,960,614.37
  5. Step 5: Solve for x
    x = 190,960,614.37/18,112.16
  6. Step 6: Final answer
    x = 10,543.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.