Home / 38,816.60-58,237.21-13,856.10

Finding the Fourth Proportional to 38,816.60, 58,237.21 and 13,856.10

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Solution

The fourth proportional to 38,816.60, 58,237.21 and 13,856.10 is: 20,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,816.60 : 58,237.21 = 13,856.10 : x
  2. Step 2: Convert to fraction form
    38,816.60/58,237.21 = 13,856.10/x
  3. Step 3: Cross multiply
    38,816.60x = 58,237.21 × 13,856.10
  4. Step 4: Simplify right side
    38,816.60x = 806,940,605.48
  5. Step 5: Solve for x
    x = 806,940,605.48/38,816.60
  6. Step 6: Final answer
    x = 20,788.54

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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.