Home / 18,301.13-27,462.07-8,440.41

Finding the Fourth Proportional to 18,301.13, 27,462.07 and 8,440.41

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Solution

The fourth proportional to 18,301.13, 27,462.07 and 8,440.41 is: 12,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.13 : 27,462.07 = 8,440.41 : x
  2. Step 2: Convert to fraction form
    18,301.13/27,462.07 = 8,440.41/x
  3. Step 3: Cross multiply
    18,301.13x = 27,462.07 × 8,440.41
  4. Step 4: Simplify right side
    18,301.13x = 231,791,130.25
  5. Step 5: Solve for x
    x = 231,791,130.25/18,301.13
  6. Step 6: Final answer
    x = 12,665.40

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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.