Home / 14,214.38-19,616.45-7,926.75

Finding the Fourth Proportional to 14,214.38, 19,616.45 and 7,926.75

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Solution

The fourth proportional to 14,214.38, 19,616.45 and 7,926.75 is: 10,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.38 : 19,616.45 = 7,926.75 : x
  2. Step 2: Convert to fraction form
    14,214.38/19,616.45 = 7,926.75/x
  3. Step 3: Cross multiply
    14,214.38x = 19,616.45 × 7,926.75
  4. Step 4: Simplify right side
    14,214.38x = 155,494,695.04
  5. Step 5: Solve for x
    x = 155,494,695.04/14,214.38
  6. Step 6: Final answer
    x = 10,939.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.