Home / 19,787.99-27,306.15-10,835.60

Finding the Fourth Proportional to 19,787.99, 27,306.15 and 10,835.60

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Solution

The fourth proportional to 19,787.99, 27,306.15 and 10,835.60 is: 14,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.99 : 27,306.15 = 10,835.60 : x
  2. Step 2: Convert to fraction form
    19,787.99/27,306.15 = 10,835.60/x
  3. Step 3: Cross multiply
    19,787.99x = 27,306.15 × 10,835.60
  4. Step 4: Simplify right side
    19,787.99x = 295,878,382.41
  5. Step 5: Solve for x
    x = 295,878,382.41/19,787.99
  6. Step 6: Final answer
    x = 14,952.43

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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.