Home / 19,419.82-29,110.12-7,566.18

Finding the Fourth Proportional to 19,419.82, 29,110.12 and 7,566.18

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Solution

The fourth proportional to 19,419.82, 29,110.12 and 7,566.18 is: 11,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.82 : 29,110.12 = 7,566.18 : x
  2. Step 2: Convert to fraction form
    19,419.82/29,110.12 = 7,566.18/x
  3. Step 3: Cross multiply
    19,419.82x = 29,110.12 × 7,566.18
  4. Step 4: Simplify right side
    19,419.82x = 220,252,279.66
  5. Step 5: Solve for x
    x = 220,252,279.66/19,419.82
  6. Step 6: Final answer
    x = 11,341.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.