Home / 38,495.76-57,748.50-12,191.10

Finding the Fourth Proportional to 38,495.76, 57,748.50 and 12,191.10

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Solution

The fourth proportional to 38,495.76, 57,748.50 and 12,191.10 is: 18,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495.76 : 57,748.50 = 12,191.10 : x
  2. Step 2: Convert to fraction form
    38,495.76/57,748.50 = 12,191.10/x
  3. Step 3: Cross multiply
    38,495.76x = 57,748.50 × 12,191.10
  4. Step 4: Simplify right side
    38,495.76x = 704,017,738.35
  5. Step 5: Solve for x
    x = 704,017,738.35/38,495.76
  6. Step 6: Final answer
    x = 18,288.19

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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.