Home / 15,768.60-23,652.90-8,745.28

Finding the Fourth Proportional to 15,768.60, 23,652.90 and 8,745.28

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Solution

The fourth proportional to 15,768.60, 23,652.90 and 8,745.28 is: 13,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.60 : 23,652.90 = 8,745.28 : x
  2. Step 2: Convert to fraction form
    15,768.60/23,652.90 = 8,745.28/x
  3. Step 3: Cross multiply
    15,768.60x = 23,652.90 × 8,745.28
  4. Step 4: Simplify right side
    15,768.60x = 206,851,233.31
  5. Step 5: Solve for x
    x = 206,851,233.31/15,768.60
  6. Step 6: Final answer
    x = 13,117.92

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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.