Home / 14,080.05-19,432.31-8,111.97

Finding the Fourth Proportional to 14,080.05, 19,432.31 and 8,111.97

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Solution

The fourth proportional to 14,080.05, 19,432.31 and 8,111.97 is: 11,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.05 : 19,432.31 = 8,111.97 : x
  2. Step 2: Convert to fraction form
    14,080.05/19,432.31 = 8,111.97/x
  3. Step 3: Cross multiply
    14,080.05x = 19,432.31 × 8,111.97
  4. Step 4: Simplify right side
    14,080.05x = 157,634,275.19
  5. Step 5: Solve for x
    x = 157,634,275.19/14,080.05
  6. Step 6: Final answer
    x = 11,195.58

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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.