Home / 14,099.97-19,456.93-7,725.55

Finding the Fourth Proportional to 14,099.97, 19,456.93 and 7,725.55

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Solution

The fourth proportional to 14,099.97, 19,456.93 and 7,725.55 is: 10,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.97 : 19,456.93 = 7,725.55 : x
  2. Step 2: Convert to fraction form
    14,099.97/19,456.93 = 7,725.55/x
  3. Step 3: Cross multiply
    14,099.97x = 19,456.93 × 7,725.55
  4. Step 4: Simplify right side
    14,099.97x = 150,315,559.51
  5. Step 5: Solve for x
    x = 150,315,559.51/14,099.97
  6. Step 6: Final answer
    x = 10,660.70

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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.