Home / 18,042.21-27,062.71-6,355.13

Finding the Fourth Proportional to 18,042.21, 27,062.71 and 6,355.13

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Solution

The fourth proportional to 18,042.21, 27,062.71 and 6,355.13 is: 9,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.21 : 27,062.71 = 6,355.13 : x
  2. Step 2: Convert to fraction form
    18,042.21/27,062.71 = 6,355.13/x
  3. Step 3: Cross multiply
    18,042.21x = 27,062.71 × 6,355.13
  4. Step 4: Simplify right side
    18,042.21x = 171,986,889.00
  5. Step 5: Solve for x
    x = 171,986,889.00/18,042.21
  6. Step 6: Final answer
    x = 9,532.47

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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.