Home / 22,293.92-30,765.85-12,735.07

Finding the Fourth Proportional to 22,293.92, 30,765.85 and 12,735.07

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Solution

The fourth proportional to 22,293.92, 30,765.85 and 12,735.07 is: 17,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.92 : 30,765.85 = 12,735.07 : x
  2. Step 2: Convert to fraction form
    22,293.92/30,765.85 = 12,735.07/x
  3. Step 3: Cross multiply
    22,293.92x = 30,765.85 × 12,735.07
  4. Step 4: Simplify right side
    22,293.92x = 391,805,208.28
  5. Step 5: Solve for x
    x = 391,805,208.28/22,293.92
  6. Step 6: Final answer
    x = 17,574.54

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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.