Home / 18,347.72-27,520.14-6,663.56

Finding the Fourth Proportional to 18,347.72, 27,520.14 and 6,663.56

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Solution

The fourth proportional to 18,347.72, 27,520.14 and 6,663.56 is: 9,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.72 : 27,520.14 = 6,663.56 : x
  2. Step 2: Convert to fraction form
    18,347.72/27,520.14 = 6,663.56/x
  3. Step 3: Cross multiply
    18,347.72x = 27,520.14 × 6,663.56
  4. Step 4: Simplify right side
    18,347.72x = 183,382,104.10
  5. Step 5: Solve for x
    x = 183,382,104.10/18,347.72
  6. Step 6: Final answer
    x = 9,994.82

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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.