Home / 22,626.40-31,226.14-12,556.75

Finding the Fourth Proportional to 22,626.40, 31,226.14 and 12,556.75

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Solution

The fourth proportional to 22,626.40, 31,226.14 and 12,556.75 is: 17,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,626.40 : 31,226.14 = 12,556.75 : x
  2. Step 2: Convert to fraction form
    22,626.40/31,226.14 = 12,556.75/x
  3. Step 3: Cross multiply
    22,626.40x = 31,226.14 × 12,556.75
  4. Step 4: Simplify right side
    22,626.40x = 392,098,677.31
  5. Step 5: Solve for x
    x = 392,098,677.31/22,626.40
  6. Step 6: Final answer
    x = 17,329.26

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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.