Home / 38,014.86-57,023.10-11,719.56

Finding the Fourth Proportional to 38,014.86, 57,023.10 and 11,719.56

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Solution

The fourth proportional to 38,014.86, 57,023.10 and 11,719.56 is: 17,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.86 : 57,023.10 = 11,719.56 : x
  2. Step 2: Convert to fraction form
    38,014.86/57,023.10 = 11,719.56/x
  3. Step 3: Cross multiply
    38,014.86x = 57,023.10 × 11,719.56
  4. Step 4: Simplify right side
    38,014.86x = 668,285,641.84
  5. Step 5: Solve for x
    x = 668,285,641.84/38,014.86
  6. Step 6: Final answer
    x = 17,579.59

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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.