Home / 22,262.37-30,717-13,308.36

Finding the Fourth Proportional to 22,262.37, 30,717 and 13,308.36

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Solution

The fourth proportional to 22,262.37, 30,717 and 13,308.36 is: 18,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.37 : 30,717 = 13,308.36 : x
  2. Step 2: Convert to fraction form
    22,262.37/30,717 = 13,308.36/x
  3. Step 3: Cross multiply
    22,262.37x = 30,717 × 13,308.36
  4. Step 4: Simplify right side
    22,262.37x = 408,792,894.12
  5. Step 5: Solve for x
    x = 408,792,894.12/22,262.37
  6. Step 6: Final answer
    x = 18,362.51

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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.