Home / 23,781.48-32,818.40-13,709.88

Finding the Fourth Proportional to 23,781.48, 32,818.40 and 13,709.88

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Solution

The fourth proportional to 23,781.48, 32,818.40 and 13,709.88 is: 18,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.48 : 32,818.40 = 13,709.88 : x
  2. Step 2: Convert to fraction form
    23,781.48/32,818.40 = 13,709.88/x
  3. Step 3: Cross multiply
    23,781.48x = 32,818.40 × 13,709.88
  4. Step 4: Simplify right side
    23,781.48x = 449,936,325.79
  5. Step 5: Solve for x
    x = 449,936,325.79/23,781.48
  6. Step 6: Final answer
    x = 18,919.61

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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.