Home / 19,931.04-29,899.08-8,252.46

Finding the Fourth Proportional to 19,931.04, 29,899.08 and 8,252.46

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Solution

The fourth proportional to 19,931.04, 29,899.08 and 8,252.46 is: 12,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.04 : 29,899.08 = 8,252.46 : x
  2. Step 2: Convert to fraction form
    19,931.04/29,899.08 = 8,252.46/x
  3. Step 3: Cross multiply
    19,931.04x = 29,899.08 × 8,252.46
  4. Step 4: Simplify right side
    19,931.04x = 246,740,961.74
  5. Step 5: Solve for x
    x = 246,740,961.74/19,931.04
  6. Step 6: Final answer
    x = 12,379.73

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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.