Home / 30,191.13-41,669.67-19,282.26

Finding the Fourth Proportional to 30,191.13, 41,669.67 and 19,282.26

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Solution

The fourth proportional to 30,191.13, 41,669.67 and 19,282.26 is: 26,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.13 : 41,669.67 = 19,282.26 : x
  2. Step 2: Convert to fraction form
    30,191.13/41,669.67 = 19,282.26/x
  3. Step 3: Cross multiply
    30,191.13x = 41,669.67 × 19,282.26
  4. Step 4: Simplify right side
    30,191.13x = 803,485,411.05
  5. Step 5: Solve for x
    x = 803,485,411.05/30,191.13
  6. Step 6: Final answer
    x = 26,613.29

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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.