Home / 15,883.73-21,923.52-10,787.87

Finding the Fourth Proportional to 15,883.73, 21,923.52 and 10,787.87

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Solution

The fourth proportional to 15,883.73, 21,923.52 and 10,787.87 is: 14,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,883.73 : 21,923.52 = 10,787.87 : x
  2. Step 2: Convert to fraction form
    15,883.73/21,923.52 = 10,787.87/x
  3. Step 3: Cross multiply
    15,883.73x = 21,923.52 × 10,787.87
  4. Step 4: Simplify right side
    15,883.73x = 236,507,974.08
  5. Step 5: Solve for x
    x = 236,507,974.08/15,883.73
  6. Step 6: Final answer
    x = 14,889.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.