Home / 15,418.06-23,119.88-5,556.04

Finding the Fourth Proportional to 15,418.06, 23,119.88 and 5,556.04

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Solution

The fourth proportional to 15,418.06, 23,119.88 and 5,556.04 is: 8,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.06 : 23,119.88 = 5,556.04 : x
  2. Step 2: Convert to fraction form
    15,418.06/23,119.88 = 5,556.04/x
  3. Step 3: Cross multiply
    15,418.06x = 23,119.88 × 5,556.04
  4. Step 4: Simplify right side
    15,418.06x = 128,454,892.50
  5. Step 5: Solve for x
    x = 128,454,892.50/15,418.06
  6. Step 6: Final answer
    x = 8,331.46

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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.