Home / 18,117.08-27,184.31-9,351.99

Finding the Fourth Proportional to 18,117.08, 27,184.31 and 9,351.99

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Solution

The fourth proportional to 18,117.08, 27,184.31 and 9,351.99 is: 14,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.08 : 27,184.31 = 9,351.99 : x
  2. Step 2: Convert to fraction form
    18,117.08/27,184.31 = 9,351.99/x
  3. Step 3: Cross multiply
    18,117.08x = 27,184.31 × 9,351.99
  4. Step 4: Simplify right side
    18,117.08x = 254,227,348.52
  5. Step 5: Solve for x
    x = 254,227,348.52/18,117.08
  6. Step 6: Final answer
    x = 14,032.47

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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.