Home / 26,530.92-36,612.66-15,920.54

Finding the Fourth Proportional to 26,530.92, 36,612.66 and 15,920.54

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Solution

The fourth proportional to 26,530.92, 36,612.66 and 15,920.54 is: 21,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.92 : 36,612.66 = 15,920.54 : x
  2. Step 2: Convert to fraction form
    26,530.92/36,612.66 = 15,920.54/x
  3. Step 3: Cross multiply
    26,530.92x = 36,612.66 × 15,920.54
  4. Step 4: Simplify right side
    26,530.92x = 582,893,318.04
  5. Step 5: Solve for x
    x = 582,893,318.04/26,530.92
  6. Step 6: Final answer
    x = 21,970.34

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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.