Home / 13,567.60-20,326.34-7,318.25

Finding the Fourth Proportional to 13,567.60, 20,326.34 and 7,318.25

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Solution

The fourth proportional to 13,567.60, 20,326.34 and 7,318.25 is: 10,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.60 : 20,326.34 = 7,318.25 : x
  2. Step 2: Convert to fraction form
    13,567.60/20,326.34 = 7,318.25/x
  3. Step 3: Cross multiply
    13,567.60x = 20,326.34 × 7,318.25
  4. Step 4: Simplify right side
    13,567.60x = 148,753,230.59
  5. Step 5: Solve for x
    x = 148,753,230.59/13,567.60
  6. Step 6: Final answer
    x = 10,963.86

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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.