Home / 15,451.16-23,165.19-7,665.44

Finding the Fourth Proportional to 15,451.16, 23,165.19 and 7,665.44

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Solution

The fourth proportional to 15,451.16, 23,165.19 and 7,665.44 is: 11,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.16 : 23,165.19 = 7,665.44 : x
  2. Step 2: Convert to fraction form
    15,451.16/23,165.19 = 7,665.44/x
  3. Step 3: Cross multiply
    15,451.16x = 23,165.19 × 7,665.44
  4. Step 4: Simplify right side
    15,451.16x = 177,571,258.21
  5. Step 5: Solve for x
    x = 177,571,258.21/15,451.16
  6. Step 6: Final answer
    x = 11,492.43

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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.