Home / 30,195.18-41,689.08-19,614.96

Finding the Fourth Proportional to 30,195.18, 41,689.08 and 19,614.96

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Solution

The fourth proportional to 30,195.18, 41,689.08 and 19,614.96 is: 27,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.18 : 41,689.08 = 19,614.96 : x
  2. Step 2: Convert to fraction form
    30,195.18/41,689.08 = 19,614.96/x
  3. Step 3: Cross multiply
    30,195.18x = 41,689.08 × 19,614.96
  4. Step 4: Simplify right side
    30,195.18x = 817,729,636.64
  5. Step 5: Solve for x
    x = 817,729,636.64/30,195.18
  6. Step 6: Final answer
    x = 27,081.46

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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.