Home / 12,924.04-19,381.98-4,157

Finding the Fourth Proportional to 12,924.04, 19,381.98 and 4,157

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Solution

The fourth proportional to 12,924.04, 19,381.98 and 4,157 is: 6,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.04 : 19,381.98 = 4,157 : x
  2. Step 2: Convert to fraction form
    12,924.04/19,381.98 = 4,157/x
  3. Step 3: Cross multiply
    12,924.04x = 19,381.98 × 4,157
  4. Step 4: Simplify right side
    12,924.04x = 80,570,890.86
  5. Step 5: Solve for x
    x = 80,570,890.86/12,924.04
  6. Step 6: Final answer
    x = 6,234.19

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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.