Home / 18,102.96-27,152.33-7,008.66

Finding the Fourth Proportional to 18,102.96, 27,152.33 and 7,008.66

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Solution

The fourth proportional to 18,102.96, 27,152.33 and 7,008.66 is: 10,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.96 : 27,152.33 = 7,008.66 : x
  2. Step 2: Convert to fraction form
    18,102.96/27,152.33 = 7,008.66/x
  3. Step 3: Cross multiply
    18,102.96x = 27,152.33 × 7,008.66
  4. Step 4: Simplify right side
    18,102.96x = 190,301,414.13
  5. Step 5: Solve for x
    x = 190,301,414.13/18,102.96
  6. Step 6: Final answer
    x = 10,512.17

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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.