Home / 15,856.86-23,724.81-14,379.42

Finding the Fourth Proportional to 15,856.86, 23,724.81 and 14,379.42

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Solution

The fourth proportional to 15,856.86, 23,724.81 and 14,379.42 is: 21,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.86 : 23,724.81 = 14,379.42 : x
  2. Step 2: Convert to fraction form
    15,856.86/23,724.81 = 14,379.42/x
  3. Step 3: Cross multiply
    15,856.86x = 23,724.81 × 14,379.42
  4. Step 4: Simplify right side
    15,856.86x = 341,149,007.41
  5. Step 5: Solve for x
    x = 341,149,007.41/15,856.86
  6. Step 6: Final answer
    x = 21,514.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.