Home / 18,787.14-25,924.05-10,829.70

Finding the Fourth Proportional to 18,787.14, 25,924.05 and 10,829.70

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Solution

The fourth proportional to 18,787.14, 25,924.05 and 10,829.70 is: 14,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.14 : 25,924.05 = 10,829.70 : x
  2. Step 2: Convert to fraction form
    18,787.14/25,924.05 = 10,829.70/x
  3. Step 3: Cross multiply
    18,787.14x = 25,924.05 × 10,829.70
  4. Step 4: Simplify right side
    18,787.14x = 280,749,684.29
  5. Step 5: Solve for x
    x = 280,749,684.29/18,787.14
  6. Step 6: Final answer
    x = 14,943.72

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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.