Home / 30,197.92-41,666.42-18,261.01

Finding the Fourth Proportional to 30,197.92, 41,666.42 and 18,261.01

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Solution

The fourth proportional to 30,197.92, 41,666.42 and 18,261.01 is: 25,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.92 : 41,666.42 = 18,261.01 : x
  2. Step 2: Convert to fraction form
    30,197.92/41,666.42 = 18,261.01/x
  3. Step 3: Cross multiply
    30,197.92x = 41,666.42 × 18,261.01
  4. Step 4: Simplify right side
    30,197.92x = 760,870,912.28
  5. Step 5: Solve for x
    x = 760,870,912.28/30,197.92
  6. Step 6: Final answer
    x = 25,196.14

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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.