Home / 22,722.27-31,357.26-12,651.39

Finding the Fourth Proportional to 22,722.27, 31,357.26 and 12,651.39

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Solution

The fourth proportional to 22,722.27, 31,357.26 and 12,651.39 is: 17,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.27 : 31,357.26 = 12,651.39 : x
  2. Step 2: Convert to fraction form
    22,722.27/31,357.26 = 12,651.39/x
  3. Step 3: Cross multiply
    22,722.27x = 31,357.26 × 12,651.39
  4. Step 4: Simplify right side
    22,722.27x = 396,712,768.81
  5. Step 5: Solve for x
    x = 396,712,768.81/22,722.27
  6. Step 6: Final answer
    x = 17,459.21

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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.