Home / 19,787.42-27,306.69-10,834.99

Finding the Fourth Proportional to 19,787.42, 27,306.69 and 10,834.99

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Solution

The fourth proportional to 19,787.42, 27,306.69 and 10,834.99 is: 14,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.42 : 27,306.69 = 10,834.99 : x
  2. Step 2: Convert to fraction form
    19,787.42/27,306.69 = 10,834.99/x
  3. Step 3: Cross multiply
    19,787.42x = 27,306.69 × 10,834.99
  4. Step 4: Simplify right side
    19,787.42x = 295,867,713.08
  5. Step 5: Solve for x
    x = 295,867,713.08/19,787.42
  6. Step 6: Final answer
    x = 14,952.31

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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.