Home / 14,099.80-21,148.10-3,712.36

Finding the Fourth Proportional to 14,099.80, 21,148.10 and 3,712.36

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Solution

The fourth proportional to 14,099.80, 21,148.10 and 3,712.36 is: 5,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.80 : 21,148.10 = 3,712.36 : x
  2. Step 2: Convert to fraction form
    14,099.80/21,148.10 = 3,712.36/x
  3. Step 3: Cross multiply
    14,099.80x = 21,148.10 × 3,712.36
  4. Step 4: Simplify right side
    14,099.80x = 78,509,360.52
  5. Step 5: Solve for x
    x = 78,509,360.52/14,099.80
  6. Step 6: Final answer
    x = 5,568.12

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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.