Home / 14,172.41-19,557.05-7,797.71

Finding the Fourth Proportional to 14,172.41, 19,557.05 and 7,797.71

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Solution

The fourth proportional to 14,172.41, 19,557.05 and 7,797.71 is: 10,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.41 : 19,557.05 = 7,797.71 : x
  2. Step 2: Convert to fraction form
    14,172.41/19,557.05 = 7,797.71/x
  3. Step 3: Cross multiply
    14,172.41x = 19,557.05 × 7,797.71
  4. Step 4: Simplify right side
    14,172.41x = 152,500,067.58
  5. Step 5: Solve for x
    x = 152,500,067.58/14,172.41
  6. Step 6: Final answer
    x = 10,760.35

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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.