Home / 15,249.24-21,042.18-8,535.24

Finding the Fourth Proportional to 15,249.24, 21,042.18 and 8,535.24

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Solution

The fourth proportional to 15,249.24, 21,042.18 and 8,535.24 is: 11,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.24 : 21,042.18 = 8,535.24 : x
  2. Step 2: Convert to fraction form
    15,249.24/21,042.18 = 8,535.24/x
  3. Step 3: Cross multiply
    15,249.24x = 21,042.18 × 8,535.24
  4. Step 4: Simplify right side
    15,249.24x = 179,600,056.42
  5. Step 5: Solve for x
    x = 179,600,056.42/15,249.24
  6. Step 6: Final answer
    x = 11,777.64

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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.