Home / 25,521.75-38,290.39-13,050.53

Finding the Fourth Proportional to 25,521.75, 38,290.39 and 13,050.53

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Solution

The fourth proportional to 25,521.75, 38,290.39 and 13,050.53 is: 19,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.75 : 38,290.39 = 13,050.53 : x
  2. Step 2: Convert to fraction form
    25,521.75/38,290.39 = 13,050.53/x
  3. Step 3: Cross multiply
    25,521.75x = 38,290.39 × 13,050.53
  4. Step 4: Simplify right side
    25,521.75x = 499,709,802.92
  5. Step 5: Solve for x
    x = 499,709,802.92/25,521.75
  6. Step 6: Final answer
    x = 19,579.76

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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.