Home / 22,762.92-31,364.10-15,297.96

Finding the Fourth Proportional to 22,762.92, 31,364.10 and 15,297.96

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Solution

The fourth proportional to 22,762.92, 31,364.10 and 15,297.96 is: 21,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.92 : 31,364.10 = 15,297.96 : x
  2. Step 2: Convert to fraction form
    22,762.92/31,364.10 = 15,297.96/x
  3. Step 3: Cross multiply
    22,762.92x = 31,364.10 × 15,297.96
  4. Step 4: Simplify right side
    22,762.92x = 479,806,747.24
  5. Step 5: Solve for x
    x = 479,806,747.24/22,762.92
  6. Step 6: Final answer
    x = 21,078.44

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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.