Home / 14,997.24-20,691.18-9,698.76

Finding the Fourth Proportional to 14,997.24, 20,691.18 and 9,698.76

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Solution

The fourth proportional to 14,997.24, 20,691.18 and 9,698.76 is: 13,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.24 : 20,691.18 = 9,698.76 : x
  2. Step 2: Convert to fraction form
    14,997.24/20,691.18 = 9,698.76/x
  3. Step 3: Cross multiply
    14,997.24x = 20,691.18 × 9,698.76
  4. Step 4: Simplify right side
    14,997.24x = 200,678,788.94
  5. Step 5: Solve for x
    x = 200,678,788.94/14,997.24
  6. Step 6: Final answer
    x = 13,381.05

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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.