Home / 14,249.13-19,663.79-7,962.72

Finding the Fourth Proportional to 14,249.13, 19,663.79 and 7,962.72

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Solution

The fourth proportional to 14,249.13, 19,663.79 and 7,962.72 is: 10,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.13 : 19,663.79 = 7,962.72 : x
  2. Step 2: Convert to fraction form
    14,249.13/19,663.79 = 7,962.72/x
  3. Step 3: Cross multiply
    14,249.13x = 19,663.79 × 7,962.72
  4. Step 4: Simplify right side
    14,249.13x = 156,577,253.91
  5. Step 5: Solve for x
    x = 156,577,253.91/14,249.13
  6. Step 6: Final answer
    x = 10,988.55

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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.