Home / 13,049.44-19,536.82-8,658.16

Finding the Fourth Proportional to 13,049.44, 19,536.82 and 8,658.16

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Solution

The fourth proportional to 13,049.44, 19,536.82 and 8,658.16 is: 12,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.44 : 19,536.82 = 8,658.16 : x
  2. Step 2: Convert to fraction form
    13,049.44/19,536.82 = 8,658.16/x
  3. Step 3: Cross multiply
    13,049.44x = 19,536.82 × 8,658.16
  4. Step 4: Simplify right side
    13,049.44x = 169,152,913.45
  5. Step 5: Solve for x
    x = 169,152,913.45/13,049.44
  6. Step 6: Final answer
    x = 12,962.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.