Home / 20,395.88-30,575.70-7,246.52

Finding the Fourth Proportional to 20,395.88, 30,575.70 and 7,246.52

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Solution

The fourth proportional to 20,395.88, 30,575.70 and 7,246.52 is: 10,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.88 : 30,575.70 = 7,246.52 : x
  2. Step 2: Convert to fraction form
    20,395.88/30,575.70 = 7,246.52/x
  3. Step 3: Cross multiply
    20,395.88x = 30,575.70 × 7,246.52
  4. Step 4: Simplify right side
    20,395.88x = 221,567,421.56
  5. Step 5: Solve for x
    x = 221,567,421.56/20,395.88
  6. Step 6: Final answer
    x = 10,863.34

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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.