Home / 20,064.41-30,080.18-7,577.34

Finding the Fourth Proportional to 20,064.41, 30,080.18 and 7,577.34

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Solution

The fourth proportional to 20,064.41, 30,080.18 and 7,577.34 is: 11,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.41 : 30,080.18 = 7,577.34 : x
  2. Step 2: Convert to fraction form
    20,064.41/30,080.18 = 7,577.34/x
  3. Step 3: Cross multiply
    20,064.41x = 30,080.18 × 7,577.34
  4. Step 4: Simplify right side
    20,064.41x = 227,927,713.23
  5. Step 5: Solve for x
    x = 227,927,713.23/20,064.41
  6. Step 6: Final answer
    x = 11,359.80

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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.