Home / 14,950.35-20,631.13-8,235.81

Finding the Fourth Proportional to 14,950.35, 20,631.13 and 8,235.81

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Solution

The fourth proportional to 14,950.35, 20,631.13 and 8,235.81 is: 11,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.35 : 20,631.13 = 8,235.81 : x
  2. Step 2: Convert to fraction form
    14,950.35/20,631.13 = 8,235.81/x
  3. Step 3: Cross multiply
    14,950.35x = 20,631.13 × 8,235.81
  4. Step 4: Simplify right side
    14,950.35x = 169,914,046.18
  5. Step 5: Solve for x
    x = 169,914,046.18/14,950.35
  6. Step 6: Final answer
    x = 11,365.22

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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.