Home / 23,156.48-34,781.26-13,814.75

Finding the Fourth Proportional to 23,156.48, 34,781.26 and 13,814.75

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Solution

The fourth proportional to 23,156.48, 34,781.26 and 13,814.75 is: 20,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.48 : 34,781.26 = 13,814.75 : x
  2. Step 2: Convert to fraction form
    23,156.48/34,781.26 = 13,814.75/x
  3. Step 3: Cross multiply
    23,156.48x = 34,781.26 × 13,814.75
  4. Step 4: Simplify right side
    23,156.48x = 480,494,411.59
  5. Step 5: Solve for x
    x = 480,494,411.59/23,156.48
  6. Step 6: Final answer
    x = 20,749.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.