Home / 14,342.86-21,518.38-4,482.28

Finding the Fourth Proportional to 14,342.86, 21,518.38 and 4,482.28

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Solution

The fourth proportional to 14,342.86, 21,518.38 and 4,482.28 is: 6,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.86 : 21,518.38 = 4,482.28 : x
  2. Step 2: Convert to fraction form
    14,342.86/21,518.38 = 4,482.28/x
  3. Step 3: Cross multiply
    14,342.86x = 21,518.38 × 4,482.28
  4. Step 4: Simplify right side
    14,342.86x = 96,451,404.31
  5. Step 5: Solve for x
    x = 96,451,404.31/14,342.86
  6. Step 6: Final answer
    x = 6,724.70

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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.