Home / 22,958.76-31,682.70-13,525.68

Finding the Fourth Proportional to 22,958.76, 31,682.70 and 13,525.68

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Solution

The fourth proportional to 22,958.76, 31,682.70 and 13,525.68 is: 18,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,958.76 : 31,682.70 = 13,525.68 : x
  2. Step 2: Convert to fraction form
    22,958.76/31,682.70 = 13,525.68/x
  3. Step 3: Cross multiply
    22,958.76x = 31,682.70 × 13,525.68
  4. Step 4: Simplify right side
    22,958.76x = 428,530,061.74
  5. Step 5: Solve for x
    x = 428,530,061.74/22,958.76
  6. Step 6: Final answer
    x = 18,665.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.