Home / 18,824.60-25,963.44-13,787.01

Finding the Fourth Proportional to 18,824.60, 25,963.44 and 13,787.01

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Solution

The fourth proportional to 18,824.60, 25,963.44 and 13,787.01 is: 19,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.60 : 25,963.44 = 13,787.01 : x
  2. Step 2: Convert to fraction form
    18,824.60/25,963.44 = 13,787.01/x
  3. Step 3: Cross multiply
    18,824.60x = 25,963.44 × 13,787.01
  4. Step 4: Simplify right side
    18,824.60x = 357,958,155.21
  5. Step 5: Solve for x
    x = 357,958,155.21/18,824.60
  6. Step 6: Final answer
    x = 19,015.44

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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.