Home / 18,401.13-27,606.33-5,253.66

Finding the Fourth Proportional to 18,401.13, 27,606.33 and 5,253.66

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Solution

The fourth proportional to 18,401.13, 27,606.33 and 5,253.66 is: 7,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.13 : 27,606.33 = 5,253.66 : x
  2. Step 2: Convert to fraction form
    18,401.13/27,606.33 = 5,253.66/x
  3. Step 3: Cross multiply
    18,401.13x = 27,606.33 × 5,253.66
  4. Step 4: Simplify right side
    18,401.13x = 145,034,271.67
  5. Step 5: Solve for x
    x = 145,034,271.67/18,401.13
  6. Step 6: Final answer
    x = 7,881.81

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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.