Home / 15,264.92-21,065.58-8,550.56

Finding the Fourth Proportional to 15,264.92, 21,065.58 and 8,550.56

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Solution

The fourth proportional to 15,264.92, 21,065.58 and 8,550.56 is: 11,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.92 : 21,065.58 = 8,550.56 : x
  2. Step 2: Convert to fraction form
    15,264.92/21,065.58 = 8,550.56/x
  3. Step 3: Cross multiply
    15,264.92x = 21,065.58 × 8,550.56
  4. Step 4: Simplify right side
    15,264.92x = 180,122,505.72
  5. Step 5: Solve for x
    x = 180,122,505.72/15,264.92
  6. Step 6: Final answer
    x = 11,799.77

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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.