Home / 22,849.70-31,532.67-13,291.88

Finding the Fourth Proportional to 22,849.70, 31,532.67 and 13,291.88

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Solution

The fourth proportional to 22,849.70, 31,532.67 and 13,291.88 is: 18,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,849.70 : 31,532.67 = 13,291.88 : x
  2. Step 2: Convert to fraction form
    22,849.70/31,532.67 = 13,291.88/x
  3. Step 3: Cross multiply
    22,849.70x = 31,532.67 × 13,291.88
  4. Step 4: Simplify right side
    22,849.70x = 419,128,465.72
  5. Step 5: Solve for x
    x = 419,128,465.72/22,849.70
  6. Step 6: Final answer
    x = 18,342.84

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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.