Home / 25,391.28-38,089.44-8,749.08

Finding the Fourth Proportional to 25,391.28, 38,089.44 and 8,749.08

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Solution

The fourth proportional to 25,391.28, 38,089.44 and 8,749.08 is: 13,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391.28 : 38,089.44 = 8,749.08 : x
  2. Step 2: Convert to fraction form
    25,391.28/38,089.44 = 8,749.08/x
  3. Step 3: Cross multiply
    25,391.28x = 38,089.44 × 8,749.08
  4. Step 4: Simplify right side
    25,391.28x = 333,247,557.72
  5. Step 5: Solve for x
    x = 333,247,557.72/25,391.28
  6. Step 6: Final answer
    x = 13,124.49

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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.