Home / 20,924.22-31,378.10-7,594.06

Finding the Fourth Proportional to 20,924.22, 31,378.10 and 7,594.06

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Solution

The fourth proportional to 20,924.22, 31,378.10 and 7,594.06 is: 11,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.22 : 31,378.10 = 7,594.06 : x
  2. Step 2: Convert to fraction form
    20,924.22/31,378.10 = 7,594.06/x
  3. Step 3: Cross multiply
    20,924.22x = 31,378.10 × 7,594.06
  4. Step 4: Simplify right side
    20,924.22x = 238,287,174.09
  5. Step 5: Solve for x
    x = 238,287,174.09/20,924.22
  6. Step 6: Final answer
    x = 11,388.10

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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.