Home / 38,254.11-57,378.94-17,188.71

Finding the Fourth Proportional to 38,254.11, 57,378.94 and 17,188.71

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Solution

The fourth proportional to 38,254.11, 57,378.94 and 17,188.71 is: 25,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.11 : 57,378.94 = 17,188.71 : x
  2. Step 2: Convert to fraction form
    38,254.11/57,378.94 = 17,188.71/x
  3. Step 3: Cross multiply
    38,254.11x = 57,378.94 × 17,188.71
  4. Step 4: Simplify right side
    38,254.11x = 986,269,916.80
  5. Step 5: Solve for x
    x = 986,269,916.80/38,254.11
  6. Step 6: Final answer
    x = 25,782.06

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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.