Home / 14,324.98-19,761.01-9,009.78

Finding the Fourth Proportional to 14,324.98, 19,761.01 and 9,009.78

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Solution

The fourth proportional to 14,324.98, 19,761.01 and 9,009.78 is: 12,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.98 : 19,761.01 = 9,009.78 : x
  2. Step 2: Convert to fraction form
    14,324.98/19,761.01 = 9,009.78/x
  3. Step 3: Cross multiply
    14,324.98x = 19,761.01 × 9,009.78
  4. Step 4: Simplify right side
    14,324.98x = 178,042,352.68
  5. Step 5: Solve for x
    x = 178,042,352.68/14,324.98
  6. Step 6: Final answer
    x = 12,428.80

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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.