Home / 14,229.88-19,637.24-7,942.25

Finding the Fourth Proportional to 14,229.88, 19,637.24 and 7,942.25

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Solution

The fourth proportional to 14,229.88, 19,637.24 and 7,942.25 is: 10,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.88 : 19,637.24 = 7,942.25 : x
  2. Step 2: Convert to fraction form
    14,229.88/19,637.24 = 7,942.25/x
  3. Step 3: Cross multiply
    14,229.88x = 19,637.24 × 7,942.25
  4. Step 4: Simplify right side
    14,229.88x = 155,963,878.77
  5. Step 5: Solve for x
    x = 155,963,878.77/14,229.88
  6. Step 6: Final answer
    x = 10,960.31

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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.