Home / 13,549.48-20,310.27-7,693.72

Finding the Fourth Proportional to 13,549.48, 20,310.27 and 7,693.72

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Solution

The fourth proportional to 13,549.48, 20,310.27 and 7,693.72 is: 11,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.48 : 20,310.27 = 7,693.72 : x
  2. Step 2: Convert to fraction form
    13,549.48/20,310.27 = 7,693.72/x
  3. Step 3: Cross multiply
    13,549.48x = 20,310.27 × 7,693.72
  4. Step 4: Simplify right side
    13,549.48x = 156,261,530.50
  5. Step 5: Solve for x
    x = 156,261,530.50/13,549.48
  6. Step 6: Final answer
    x = 11,532.66

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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.