Home / 14,609.28-21,919.68-5,376

Finding the Fourth Proportional to 14,609.28, 21,919.68 and 5,376

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Solution

The fourth proportional to 14,609.28, 21,919.68 and 5,376 is: 8,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.28 : 21,919.68 = 5,376 : x
  2. Step 2: Convert to fraction form
    14,609.28/21,919.68 = 5,376/x
  3. Step 3: Cross multiply
    14,609.28x = 21,919.68 × 5,376
  4. Step 4: Simplify right side
    14,609.28x = 117,840,199.68
  5. Step 5: Solve for x
    x = 117,840,199.68/14,609.28
  6. Step 6: Final answer
    x = 8,066.12

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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.