Home / 15,593.24-21,518.96-8,519.51

Finding the Fourth Proportional to 15,593.24, 21,518.96 and 8,519.51

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Solution

The fourth proportional to 15,593.24, 21,518.96 and 8,519.51 is: 11,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.24 : 21,518.96 = 8,519.51 : x
  2. Step 2: Convert to fraction form
    15,593.24/21,518.96 = 8,519.51/x
  3. Step 3: Cross multiply
    15,593.24x = 21,518.96 × 8,519.51
  4. Step 4: Simplify right side
    15,593.24x = 183,330,844.72
  5. Step 5: Solve for x
    x = 183,330,844.72/15,593.24
  6. Step 6: Final answer
    x = 11,757.08

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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.