Home / 14,395.36-21,591.32-3,866.18

Finding the Fourth Proportional to 14,395.36, 21,591.32 and 3,866.18

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Solution

The fourth proportional to 14,395.36, 21,591.32 and 3,866.18 is: 5,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.36 : 21,591.32 = 3,866.18 : x
  2. Step 2: Convert to fraction form
    14,395.36/21,591.32 = 3,866.18/x
  3. Step 3: Cross multiply
    14,395.36x = 21,591.32 × 3,866.18
  4. Step 4: Simplify right side
    14,395.36x = 83,475,929.56
  5. Step 5: Solve for x
    x = 83,475,929.56/14,395.36
  6. Step 6: Final answer
    x = 5,798.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.