Home / 43,572.16-65,352.08-13,992.56

Finding the Fourth Proportional to 43,572.16, 65,352.08 and 13,992.56

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Solution

The fourth proportional to 43,572.16, 65,352.08 and 13,992.56 is: 20,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,572.16 : 65,352.08 = 13,992.56 : x
  2. Step 2: Convert to fraction form
    43,572.16/65,352.08 = 13,992.56/x
  3. Step 3: Cross multiply
    43,572.16x = 65,352.08 × 13,992.56
  4. Step 4: Simplify right side
    43,572.16x = 914,442,900.52
  5. Step 5: Solve for x
    x = 914,442,900.52/43,572.16
  6. Step 6: Final answer
    x = 20,986.86

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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.