Home / 37,074.60-55,601.10-13,379.40

Finding the Fourth Proportional to 37,074.60, 55,601.10 and 13,379.40

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Solution

The fourth proportional to 37,074.60, 55,601.10 and 13,379.40 is: 20,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,074.60 : 55,601.10 = 13,379.40 : x
  2. Step 2: Convert to fraction form
    37,074.60/55,601.10 = 13,379.40/x
  3. Step 3: Cross multiply
    37,074.60x = 55,601.10 × 13,379.40
  4. Step 4: Simplify right side
    37,074.60x = 743,909,357.34
  5. Step 5: Solve for x
    x = 743,909,357.34/37,074.60
  6. Step 6: Final answer
    x = 20,065.20

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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.