Home / 14,703.78-20,299.66-9,682.58

Finding the Fourth Proportional to 14,703.78, 20,299.66 and 9,682.58

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Solution

The fourth proportional to 14,703.78, 20,299.66 and 9,682.58 is: 13,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.78 : 20,299.66 = 9,682.58 : x
  2. Step 2: Convert to fraction form
    14,703.78/20,299.66 = 9,682.58/x
  3. Step 3: Cross multiply
    14,703.78x = 20,299.66 × 9,682.58
  4. Step 4: Simplify right side
    14,703.78x = 196,553,081.92
  5. Step 5: Solve for x
    x = 196,553,081.92/14,703.78
  6. Step 6: Final answer
    x = 13,367.52

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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.