Home / 15,264.99-21,066.48-8,550.23

Finding the Fourth Proportional to 15,264.99, 21,066.48 and 8,550.23

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Solution

The fourth proportional to 15,264.99, 21,066.48 and 8,550.23 is: 11,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.99 : 21,066.48 = 8,550.23 : x
  2. Step 2: Convert to fraction form
    15,264.99/21,066.48 = 8,550.23/x
  3. Step 3: Cross multiply
    15,264.99x = 21,066.48 × 8,550.23
  4. Step 4: Simplify right side
    15,264.99x = 180,123,143.96
  5. Step 5: Solve for x
    x = 180,123,143.96/15,264.99
  6. Step 6: Final answer
    x = 11,799.76

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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.