Home / 19,544.60-29,331.30-7,866.20

Finding the Fourth Proportional to 19,544.60, 29,331.30 and 7,866.20

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Solution

The fourth proportional to 19,544.60, 29,331.30 and 7,866.20 is: 11,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,544.60 : 29,331.30 = 7,866.20 : x
  2. Step 2: Convert to fraction form
    19,544.60/29,331.30 = 7,866.20/x
  3. Step 3: Cross multiply
    19,544.60x = 29,331.30 × 7,866.20
  4. Step 4: Simplify right side
    19,544.60x = 230,725,872.06
  5. Step 5: Solve for x
    x = 230,725,872.06/19,544.60
  6. Step 6: Final answer
    x = 11,805.10

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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.