Home / 14,786.43-20,402.23-8,497.59

Finding the Fourth Proportional to 14,786.43, 20,402.23 and 8,497.59

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Solution

The fourth proportional to 14,786.43, 20,402.23 and 8,497.59 is: 11,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.43 : 20,402.23 = 8,497.59 : x
  2. Step 2: Convert to fraction form
    14,786.43/20,402.23 = 8,497.59/x
  3. Step 3: Cross multiply
    14,786.43x = 20,402.23 × 8,497.59
  4. Step 4: Simplify right side
    14,786.43x = 173,369,785.63
  5. Step 5: Solve for x
    x = 173,369,785.63/14,786.43
  6. Step 6: Final answer
    x = 11,724.93

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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.