Home / 18,353.17-27,513.05-6,663.66

Finding the Fourth Proportional to 18,353.17, 27,513.05 and 6,663.66

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Solution

The fourth proportional to 18,353.17, 27,513.05 and 6,663.66 is: 9,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.17 : 27,513.05 = 6,663.66 : x
  2. Step 2: Convert to fraction form
    18,353.17/27,513.05 = 6,663.66/x
  3. Step 3: Cross multiply
    18,353.17x = 27,513.05 × 6,663.66
  4. Step 4: Simplify right side
    18,353.17x = 183,337,610.76
  5. Step 5: Solve for x
    x = 183,337,610.76/18,353.17
  6. Step 6: Final answer
    x = 9,989.42

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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.