Home / 38,366.90-57,553.73-11,718.91

Finding the Fourth Proportional to 38,366.90, 57,553.73 and 11,718.91

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Solution

The fourth proportional to 38,366.90, 57,553.73 and 11,718.91 is: 17,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,366.90 : 57,553.73 = 11,718.91 : x
  2. Step 2: Convert to fraction form
    38,366.90/57,553.73 = 11,718.91/x
  3. Step 3: Cross multiply
    38,366.90x = 57,553.73 × 11,718.91
  4. Step 4: Simplify right side
    38,366.90x = 674,466,982.03
  5. Step 5: Solve for x
    x = 674,466,982.03/38,366.90
  6. Step 6: Final answer
    x = 17,579.40

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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.