Home / 38,919.88-58,399.26-15,553

Finding the Fourth Proportional to 38,919.88, 58,399.26 and 15,553

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Solution

The fourth proportional to 38,919.88, 58,399.26 and 15,553 is: 23,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.88 : 58,399.26 = 15,553 : x
  2. Step 2: Convert to fraction form
    38,919.88/58,399.26 = 15,553/x
  3. Step 3: Cross multiply
    38,919.88x = 58,399.26 × 15,553
  4. Step 4: Simplify right side
    38,919.88x = 908,283,690.78
  5. Step 5: Solve for x
    x = 908,283,690.78/38,919.88
  6. Step 6: Final answer
    x = 23,337.27

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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.