Home / 20,549.41-30,816.82-7,398.25

Finding the Fourth Proportional to 20,549.41, 30,816.82 and 7,398.25

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Solution

The fourth proportional to 20,549.41, 30,816.82 and 7,398.25 is: 11,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.41 : 30,816.82 = 7,398.25 : x
  2. Step 2: Convert to fraction form
    20,549.41/30,816.82 = 7,398.25/x
  3. Step 3: Cross multiply
    20,549.41x = 30,816.82 × 7,398.25
  4. Step 4: Simplify right side
    20,549.41x = 227,990,347.49
  5. Step 5: Solve for x
    x = 227,990,347.49/20,549.41
  6. Step 6: Final answer
    x = 11,094.74

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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.