Home / 25,190.29-37,789.74-10,391.12

Finding the Fourth Proportional to 25,190.29, 37,789.74 and 10,391.12

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Solution

The fourth proportional to 25,190.29, 37,789.74 and 10,391.12 is: 15,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.29 : 37,789.74 = 10,391.12 : x
  2. Step 2: Convert to fraction form
    25,190.29/37,789.74 = 10,391.12/x
  3. Step 3: Cross multiply
    25,190.29x = 37,789.74 × 10,391.12
  4. Step 4: Simplify right side
    25,190.29x = 392,677,675.87
  5. Step 5: Solve for x
    x = 392,677,675.87/25,190.29
  6. Step 6: Final answer
    x = 15,588.45

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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.