Home / 30,197.05-41,665.21-18,260.13

Finding the Fourth Proportional to 30,197.05, 41,665.21 and 18,260.13

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Solution

The fourth proportional to 30,197.05, 41,665.21 and 18,260.13 is: 25,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.05 : 41,665.21 = 18,260.13 : x
  2. Step 2: Convert to fraction form
    30,197.05/41,665.21 = 18,260.13/x
  3. Step 3: Cross multiply
    30,197.05x = 41,665.21 × 18,260.13
  4. Step 4: Simplify right side
    30,197.05x = 760,812,151.08
  5. Step 5: Solve for x
    x = 760,812,151.08/30,197.05
  6. Step 6: Final answer
    x = 25,194.92

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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.