Home / 43,462.65-65,225.07-18,520.23

Finding the Fourth Proportional to 43,462.65, 65,225.07 and 18,520.23

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Solution

The fourth proportional to 43,462.65, 65,225.07 and 18,520.23 is: 27,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,462.65 : 65,225.07 = 18,520.23 : x
  2. Step 2: Convert to fraction form
    43,462.65/65,225.07 = 18,520.23/x
  3. Step 3: Cross multiply
    43,462.65x = 65,225.07 × 18,520.23
  4. Step 4: Simplify right side
    43,462.65x = 1,207,983,298.17
  5. Step 5: Solve for x
    x = 1,207,983,298.17/43,462.65
  6. Step 6: Final answer
    x = 27,793.60

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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.