Home / 14,340.12-19,789.74-8,052.36

Finding the Fourth Proportional to 14,340.12, 19,789.74 and 8,052.36

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Solution

The fourth proportional to 14,340.12, 19,789.74 and 8,052.36 is: 11,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.12 : 19,789.74 = 8,052.36 : x
  2. Step 2: Convert to fraction form
    14,340.12/19,789.74 = 8,052.36/x
  3. Step 3: Cross multiply
    14,340.12x = 19,789.74 × 8,052.36
  4. Step 4: Simplify right side
    14,340.12x = 159,354,110.79
  5. Step 5: Solve for x
    x = 159,354,110.79/14,340.12
  6. Step 6: Final answer
    x = 11,112.47

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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.