Home / 19,454.16-29,199.68-8,936.04

Finding the Fourth Proportional to 19,454.16, 29,199.68 and 8,936.04

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Solution

The fourth proportional to 19,454.16, 29,199.68 and 8,936.04 is: 13,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.16 : 29,199.68 = 8,936.04 : x
  2. Step 2: Convert to fraction form
    19,454.16/29,199.68 = 8,936.04/x
  3. Step 3: Cross multiply
    19,454.16x = 29,199.68 × 8,936.04
  4. Step 4: Simplify right side
    19,454.16x = 260,929,463.79
  5. Step 5: Solve for x
    x = 260,929,463.79/19,454.16
  6. Step 6: Final answer
    x = 13,412.53

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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.