Home / 15,924.87-23,870.84-5,391.41

Finding the Fourth Proportional to 15,924.87, 23,870.84 and 5,391.41

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Solution

The fourth proportional to 15,924.87, 23,870.84 and 5,391.41 is: 8,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.87 : 23,870.84 = 5,391.41 : x
  2. Step 2: Convert to fraction form
    15,924.87/23,870.84 = 5,391.41/x
  3. Step 3: Cross multiply
    15,924.87x = 23,870.84 × 5,391.41
  4. Step 4: Simplify right side
    15,924.87x = 128,697,339.17
  5. Step 5: Solve for x
    x = 128,697,339.17/15,924.87
  6. Step 6: Final answer
    x = 8,081.53

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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.