Home / 14,093.20-19,409.25-13,787.02

Finding the Fourth Proportional to 14,093.20, 19,409.25 and 13,787.02

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Solution

The fourth proportional to 14,093.20, 19,409.25 and 13,787.02 is: 18,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.20 : 19,409.25 = 13,787.02 : x
  2. Step 2: Convert to fraction form
    14,093.20/19,409.25 = 13,787.02/x
  3. Step 3: Cross multiply
    14,093.20x = 19,409.25 × 13,787.02
  4. Step 4: Simplify right side
    14,093.20x = 267,595,717.94
  5. Step 5: Solve for x
    x = 267,595,717.94/14,093.20
  6. Step 6: Final answer
    x = 18,987.58

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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.