Home / 14,708.69-20,299.88-8,337.56

Finding the Fourth Proportional to 14,708.69, 20,299.88 and 8,337.56

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Solution

The fourth proportional to 14,708.69, 20,299.88 and 8,337.56 is: 11,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.69 : 20,299.88 = 8,337.56 : x
  2. Step 2: Convert to fraction form
    14,708.69/20,299.88 = 8,337.56/x
  3. Step 3: Cross multiply
    14,708.69x = 20,299.88 × 8,337.56
  4. Step 4: Simplify right side
    14,708.69x = 169,251,324.31
  5. Step 5: Solve for x
    x = 169,251,324.31/14,708.69
  6. Step 6: Final answer
    x = 11,506.90

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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.