Home / 14,211.28-19,611.97-7,924.06

Finding the Fourth Proportional to 14,211.28, 19,611.97 and 7,924.06

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Solution

The fourth proportional to 14,211.28, 19,611.97 and 7,924.06 is: 10,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.28 : 19,611.97 = 7,924.06 : x
  2. Step 2: Convert to fraction form
    14,211.28/19,611.97 = 7,924.06/x
  3. Step 3: Cross multiply
    14,211.28x = 19,611.97 × 7,924.06
  4. Step 4: Simplify right side
    14,211.28x = 155,406,476.28
  5. Step 5: Solve for x
    x = 155,406,476.28/14,211.28
  6. Step 6: Final answer
    x = 10,935.43

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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.