Home / 20,695.73-31,062.05-9,608.67

Finding the Fourth Proportional to 20,695.73, 31,062.05 and 9,608.67

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Solution

The fourth proportional to 20,695.73, 31,062.05 and 9,608.67 is: 14,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.73 : 31,062.05 = 9,608.67 : x
  2. Step 2: Convert to fraction form
    20,695.73/31,062.05 = 9,608.67/x
  3. Step 3: Cross multiply
    20,695.73x = 31,062.05 × 9,608.67
  4. Step 4: Simplify right side
    20,695.73x = 298,464,987.97
  5. Step 5: Solve for x
    x = 298,464,987.97/20,695.73
  6. Step 6: Final answer
    x = 14,421.57

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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.