Home / 15,563.44-23,348.80-8,991.50

Finding the Fourth Proportional to 15,563.44, 23,348.80 and 8,991.50

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Solution

The fourth proportional to 15,563.44, 23,348.80 and 8,991.50 is: 13,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.44 : 23,348.80 = 8,991.50 : x
  2. Step 2: Convert to fraction form
    15,563.44/23,348.80 = 8,991.50/x
  3. Step 3: Cross multiply
    15,563.44x = 23,348.80 × 8,991.50
  4. Step 4: Simplify right side
    15,563.44x = 209,940,735.20
  5. Step 5: Solve for x
    x = 209,940,735.20/15,563.44
  6. Step 6: Final answer
    x = 13,489.35

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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.