Home / 14,331.12-19,775.76-8,043.36

Finding the Fourth Proportional to 14,331.12, 19,775.76 and 8,043.36

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Solution

The fourth proportional to 14,331.12, 19,775.76 and 8,043.36 is: 11,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.12 : 19,775.76 = 8,043.36 : x
  2. Step 2: Convert to fraction form
    14,331.12/19,775.76 = 8,043.36/x
  3. Step 3: Cross multiply
    14,331.12x = 19,775.76 × 8,043.36
  4. Step 4: Simplify right side
    14,331.12x = 159,063,556.95
  5. Step 5: Solve for x
    x = 159,063,556.95/14,331.12
  6. Step 6: Final answer
    x = 11,099.17

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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.