Home / 14,712.67-20,302.99-8,423.83

Finding the Fourth Proportional to 14,712.67, 20,302.99 and 8,423.83

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Solution

The fourth proportional to 14,712.67, 20,302.99 and 8,423.83 is: 11,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.67 : 20,302.99 = 8,423.83 : x
  2. Step 2: Convert to fraction form
    14,712.67/20,302.99 = 8,423.83/x
  3. Step 3: Cross multiply
    14,712.67x = 20,302.99 × 8,423.83
  4. Step 4: Simplify right side
    14,712.67x = 171,028,936.25
  5. Step 5: Solve for x
    x = 171,028,936.25/14,712.67
  6. Step 6: Final answer
    x = 11,624.60

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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.