Home / 23,213.50-32,038.68-13,781.86

Finding the Fourth Proportional to 23,213.50, 32,038.68 and 13,781.86

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Solution

The fourth proportional to 23,213.50, 32,038.68 and 13,781.86 is: 19,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,213.50 : 32,038.68 = 13,781.86 : x
  2. Step 2: Convert to fraction form
    23,213.50/32,038.68 = 13,781.86/x
  3. Step 3: Cross multiply
    23,213.50x = 32,038.68 × 13,781.86
  4. Step 4: Simplify right side
    23,213.50x = 441,552,602.34
  5. Step 5: Solve for x
    x = 441,552,602.34/23,213.50
  6. Step 6: Final answer
    x = 19,021.37

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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.