Home / 14,677.13-20,249.66-8,303.11

Finding the Fourth Proportional to 14,677.13, 20,249.66 and 8,303.11

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Solution

The fourth proportional to 14,677.13, 20,249.66 and 8,303.11 is: 11,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.13 : 20,249.66 = 8,303.11 : x
  2. Step 2: Convert to fraction form
    14,677.13/20,249.66 = 8,303.11/x
  3. Step 3: Cross multiply
    14,677.13x = 20,249.66 × 8,303.11
  4. Step 4: Simplify right side
    14,677.13x = 168,135,062.30
  5. Step 5: Solve for x
    x = 168,135,062.30/14,677.13
  6. Step 6: Final answer
    x = 11,455.58

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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.