Home / 14,118.82-19,486.30-7,833.22

Finding the Fourth Proportional to 14,118.82, 19,486.30 and 7,833.22

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Solution

The fourth proportional to 14,118.82, 19,486.30 and 7,833.22 is: 10,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.82 : 19,486.30 = 7,833.22 : x
  2. Step 2: Convert to fraction form
    14,118.82/19,486.30 = 7,833.22/x
  3. Step 3: Cross multiply
    14,118.82x = 19,486.30 × 7,833.22
  4. Step 4: Simplify right side
    14,118.82x = 152,640,377.45
  5. Step 5: Solve for x
    x = 152,640,377.45/14,118.82
  6. Step 6: Final answer
    x = 10,811.13

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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.