Home / 14,055.92-19,395.60-7,766.72

Finding the Fourth Proportional to 14,055.92, 19,395.60 and 7,766.72

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Solution

The fourth proportional to 14,055.92, 19,395.60 and 7,766.72 is: 10,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.92 : 19,395.60 = 7,766.72 : x
  2. Step 2: Convert to fraction form
    14,055.92/19,395.60 = 7,766.72/x
  3. Step 3: Cross multiply
    14,055.92x = 19,395.60 × 7,766.72
  4. Step 4: Simplify right side
    14,055.92x = 150,640,194.43
  5. Step 5: Solve for x
    x = 150,640,194.43/14,055.92
  6. Step 6: Final answer
    x = 10,717.21

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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.