Home / 14,166.50-21,249.81-4,305.69

Finding the Fourth Proportional to 14,166.50, 21,249.81 and 4,305.69

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Solution

The fourth proportional to 14,166.50, 21,249.81 and 4,305.69 is: 6,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.50 : 21,249.81 = 4,305.69 : x
  2. Step 2: Convert to fraction form
    14,166.50/21,249.81 = 4,305.69/x
  3. Step 3: Cross multiply
    14,166.50x = 21,249.81 × 4,305.69
  4. Step 4: Simplify right side
    14,166.50x = 91,495,094.42
  5. Step 5: Solve for x
    x = 91,495,094.42/14,166.50
  6. Step 6: Final answer
    x = 6,458.56

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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.