Home / 18,787.13-25,926.24-10,403.63

Finding the Fourth Proportional to 18,787.13, 25,926.24 and 10,403.63

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Solution

The fourth proportional to 18,787.13, 25,926.24 and 10,403.63 is: 14,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.13 : 25,926.24 = 10,403.63 : x
  2. Step 2: Convert to fraction form
    18,787.13/25,926.24 = 10,403.63/x
  3. Step 3: Cross multiply
    18,787.13x = 25,926.24 × 10,403.63
  4. Step 4: Simplify right side
    18,787.13x = 269,726,878.62
  5. Step 5: Solve for x
    x = 269,726,878.62/18,787.13
  6. Step 6: Final answer
    x = 14,357.01

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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.