Home / 19,732.09-27,229.97-10,779.41

Finding the Fourth Proportional to 19,732.09, 27,229.97 and 10,779.41

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Solution

The fourth proportional to 19,732.09, 27,229.97 and 10,779.41 is: 14,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.09 : 27,229.97 = 10,779.41 : x
  2. Step 2: Convert to fraction form
    19,732.09/27,229.97 = 10,779.41/x
  3. Step 3: Cross multiply
    19,732.09x = 27,229.97 × 10,779.41
  4. Step 4: Simplify right side
    19,732.09x = 293,522,957.02
  5. Step 5: Solve for x
    x = 293,522,957.02/19,732.09
  6. Step 6: Final answer
    x = 14,875.42

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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.