Home / 14,212.10-19,612.09-7,924.42

Finding the Fourth Proportional to 14,212.10, 19,612.09 and 7,924.42

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Solution

The fourth proportional to 14,212.10, 19,612.09 and 7,924.42 is: 10,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.10 : 19,612.09 = 7,924.42 : x
  2. Step 2: Convert to fraction form
    14,212.10/19,612.09 = 7,924.42/x
  3. Step 3: Cross multiply
    14,212.10x = 19,612.09 × 7,924.42
  4. Step 4: Simplify right side
    14,212.10x = 155,414,438.24
  5. Step 5: Solve for x
    x = 155,414,438.24/14,212.10
  6. Step 6: Final answer
    x = 10,935.36

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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.