Home / 45,019.12-67,528.71-11,739.10

Finding the Fourth Proportional to 45,019.12, 67,528.71 and 11,739.10

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Solution

The fourth proportional to 45,019.12, 67,528.71 and 11,739.10 is: 17,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,019.12 : 67,528.71 = 11,739.10 : x
  2. Step 2: Convert to fraction form
    45,019.12/67,528.71 = 11,739.10/x
  3. Step 3: Cross multiply
    45,019.12x = 67,528.71 × 11,739.10
  4. Step 4: Simplify right side
    45,019.12x = 792,726,279.56
  5. Step 5: Solve for x
    x = 792,726,279.56/45,019.12
  6. Step 6: Final answer
    x = 17,608.66

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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.