Home / 13,434.66-20,118.96-9,262.98

Finding the Fourth Proportional to 13,434.66, 20,118.96 and 9,262.98

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Solution

The fourth proportional to 13,434.66, 20,118.96 and 9,262.98 is: 13,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.66 : 20,118.96 = 9,262.98 : x
  2. Step 2: Convert to fraction form
    13,434.66/20,118.96 = 9,262.98/x
  3. Step 3: Cross multiply
    13,434.66x = 20,118.96 × 9,262.98
  4. Step 4: Simplify right side
    13,434.66x = 186,361,524.10
  5. Step 5: Solve for x
    x = 186,361,524.10/13,434.66
  6. Step 6: Final answer
    x = 13,871.70

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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.