Home / 14,796.33-20,417.09-8,423.74

Finding the Fourth Proportional to 14,796.33, 20,417.09 and 8,423.74

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Solution

The fourth proportional to 14,796.33, 20,417.09 and 8,423.74 is: 11,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796.33 : 20,417.09 = 8,423.74 : x
  2. Step 2: Convert to fraction form
    14,796.33/20,417.09 = 8,423.74/x
  3. Step 3: Cross multiply
    14,796.33x = 20,417.09 × 8,423.74
  4. Step 4: Simplify right side
    14,796.33x = 171,988,257.72
  5. Step 5: Solve for x
    x = 171,988,257.72/14,796.33
  6. Step 6: Final answer
    x = 11,623.71

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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.