Home / 14,342.43-19,790.40-8,053.59

Finding the Fourth Proportional to 14,342.43, 19,790.40 and 8,053.59

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Solution

The fourth proportional to 14,342.43, 19,790.40 and 8,053.59 is: 11,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.43 : 19,790.40 = 8,053.59 : x
  2. Step 2: Convert to fraction form
    14,342.43/19,790.40 = 8,053.59/x
  3. Step 3: Cross multiply
    14,342.43x = 19,790.40 × 8,053.59
  4. Step 4: Simplify right side
    14,342.43x = 159,383,767.54
  5. Step 5: Solve for x
    x = 159,383,767.54/14,342.43
  6. Step 6: Final answer
    x = 11,112.75

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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.