Home / 15,924.87-23,876.84-8,905.62

Finding the Fourth Proportional to 15,924.87, 23,876.84 and 8,905.62

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Solution

The fourth proportional to 15,924.87, 23,876.84 and 8,905.62 is: 13,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.87 : 23,876.84 = 8,905.62 : x
  2. Step 2: Convert to fraction form
    15,924.87/23,876.84 = 8,905.62/x
  3. Step 3: Cross multiply
    15,924.87x = 23,876.84 × 8,905.62
  4. Step 4: Simplify right side
    15,924.87x = 212,637,944.46
  5. Step 5: Solve for x
    x = 212,637,944.46/15,924.87
  6. Step 6: Final answer
    x = 13,352.57

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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.