Home / 15,549.50-23,320.20-4,453.60

Finding the Fourth Proportional to 15,549.50, 23,320.20 and 4,453.60

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Solution

The fourth proportional to 15,549.50, 23,320.20 and 4,453.60 is: 6,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.50 : 23,320.20 = 4,453.60 : x
  2. Step 2: Convert to fraction form
    15,549.50/23,320.20 = 4,453.60/x
  3. Step 3: Cross multiply
    15,549.50x = 23,320.20 × 4,453.60
  4. Step 4: Simplify right side
    15,549.50x = 103,858,842.72
  5. Step 5: Solve for x
    x = 103,858,842.72/15,549.50
  6. Step 6: Final answer
    x = 6,679.24

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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.