Home / 25,478.37-38,188.39-9,882.63

Finding the Fourth Proportional to 25,478.37, 38,188.39 and 9,882.63

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Solution

The fourth proportional to 25,478.37, 38,188.39 and 9,882.63 is: 14,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.37 : 38,188.39 = 9,882.63 : x
  2. Step 2: Convert to fraction form
    25,478.37/38,188.39 = 9,882.63/x
  3. Step 3: Cross multiply
    25,478.37x = 38,188.39 × 9,882.63
  4. Step 4: Simplify right side
    25,478.37x = 377,401,488.31
  5. Step 5: Solve for x
    x = 377,401,488.31/25,478.37
  6. Step 6: Final answer
    x = 14,812.63

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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.