Home / 15,612.70-23,403.92-5,749.34

Finding the Fourth Proportional to 15,612.70, 23,403.92 and 5,749.34

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Solution

The fourth proportional to 15,612.70, 23,403.92 and 5,749.34 is: 8,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.70 : 23,403.92 = 5,749.34 : x
  2. Step 2: Convert to fraction form
    15,612.70/23,403.92 = 5,749.34/x
  3. Step 3: Cross multiply
    15,612.70x = 23,403.92 × 5,749.34
  4. Step 4: Simplify right side
    15,612.70x = 134,557,093.41
  5. Step 5: Solve for x
    x = 134,557,093.41/15,612.70
  6. Step 6: Final answer
    x = 8,618.44

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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.