Home / 19,249.28-26,589.50-15,486.62

Finding the Fourth Proportional to 19,249.28, 26,589.50 and 15,486.62

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Solution

The fourth proportional to 19,249.28, 26,589.50 and 15,486.62 is: 21,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249.28 : 26,589.50 = 15,486.62 : x
  2. Step 2: Convert to fraction form
    19,249.28/26,589.50 = 15,486.62/x
  3. Step 3: Cross multiply
    19,249.28x = 26,589.50 × 15,486.62
  4. Step 4: Simplify right side
    19,249.28x = 411,781,482.49
  5. Step 5: Solve for x
    x = 411,781,482.49/19,249.28
  6. Step 6: Final answer
    x = 21,392.05

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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.