Home / 17,908.13-26,862.21-6,221.45

Finding the Fourth Proportional to 17,908.13, 26,862.21 and 6,221.45

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Solution

The fourth proportional to 17,908.13, 26,862.21 and 6,221.45 is: 9,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.13 : 26,862.21 = 6,221.45 : x
  2. Step 2: Convert to fraction form
    17,908.13/26,862.21 = 6,221.45/x
  3. Step 3: Cross multiply
    17,908.13x = 26,862.21 × 6,221.45
  4. Step 4: Simplify right side
    17,908.13x = 167,121,963.56
  5. Step 5: Solve for x
    x = 167,121,963.56/17,908.13
  6. Step 6: Final answer
    x = 9,332.18

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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.