Home / 25,520.72-38,288.86-13,049.51

Finding the Fourth Proportional to 25,520.72, 38,288.86 and 13,049.51

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Solution

The fourth proportional to 25,520.72, 38,288.86 and 13,049.51 is: 19,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.72 : 38,288.86 = 13,049.51 : x
  2. Step 2: Convert to fraction form
    25,520.72/38,288.86 = 13,049.51/x
  3. Step 3: Cross multiply
    25,520.72x = 38,288.86 × 13,049.51
  4. Step 4: Simplify right side
    25,520.72x = 499,650,637.39
  5. Step 5: Solve for x
    x = 499,650,637.39/25,520.72
  6. Step 6: Final answer
    x = 19,578.24

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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.