Home / 14,121.45-19,476.72-10,343.25

Finding the Fourth Proportional to 14,121.45, 19,476.72 and 10,343.25

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Solution

The fourth proportional to 14,121.45, 19,476.72 and 10,343.25 is: 14,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.45 : 19,476.72 = 10,343.25 : x
  2. Step 2: Convert to fraction form
    14,121.45/19,476.72 = 10,343.25/x
  3. Step 3: Cross multiply
    14,121.45x = 19,476.72 × 10,343.25
  4. Step 4: Simplify right side
    14,121.45x = 201,452,584.14
  5. Step 5: Solve for x
    x = 201,452,584.14/14,121.45
  6. Step 6: Final answer
    x = 14,265.72

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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.