Home / 23,209.96-32,005.50-13,776.70

Finding the Fourth Proportional to 23,209.96, 32,005.50 and 13,776.70

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Solution

The fourth proportional to 23,209.96, 32,005.50 and 13,776.70 is: 18,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,209.96 : 32,005.50 = 13,776.70 : x
  2. Step 2: Convert to fraction form
    23,209.96/32,005.50 = 13,776.70/x
  3. Step 3: Cross multiply
    23,209.96x = 32,005.50 × 13,776.70
  4. Step 4: Simplify right side
    23,209.96x = 440,930,171.85
  5. Step 5: Solve for x
    x = 440,930,171.85/23,209.96
  6. Step 6: Final answer
    x = 18,997.46

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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.