Home / 14,366.36-21,531.62-5,122.20

Finding the Fourth Proportional to 14,366.36, 21,531.62 and 5,122.20

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Solution

The fourth proportional to 14,366.36, 21,531.62 and 5,122.20 is: 7,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.36 : 21,531.62 = 5,122.20 : x
  2. Step 2: Convert to fraction form
    14,366.36/21,531.62 = 5,122.20/x
  3. Step 3: Cross multiply
    14,366.36x = 21,531.62 × 5,122.20
  4. Step 4: Simplify right side
    14,366.36x = 110,289,263.96
  5. Step 5: Solve for x
    x = 110,289,263.96/14,366.36
  6. Step 6: Final answer
    x = 7,676.91

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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.