Home / 43,617.52-65,426.88-12,452.72

Finding the Fourth Proportional to 43,617.52, 65,426.88 and 12,452.72

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Solution

The fourth proportional to 43,617.52, 65,426.88 and 12,452.72 is: 18,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,617.52 : 65,426.88 = 12,452.72 : x
  2. Step 2: Convert to fraction form
    43,617.52/65,426.88 = 12,452.72/x
  3. Step 3: Cross multiply
    43,617.52x = 65,426.88 × 12,452.72
  4. Step 4: Simplify right side
    43,617.52x = 814,742,617.11
  5. Step 5: Solve for x
    x = 814,742,617.11/43,617.52
  6. Step 6: Final answer
    x = 18,679.25

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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.