Home / 23,213.86-32,035.60-13,142.30

Finding the Fourth Proportional to 23,213.86, 32,035.60 and 13,142.30

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Solution

The fourth proportional to 23,213.86, 32,035.60 and 13,142.30 is: 18,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,213.86 : 32,035.60 = 13,142.30 : x
  2. Step 2: Convert to fraction form
    23,213.86/32,035.60 = 13,142.30/x
  3. Step 3: Cross multiply
    23,213.86x = 32,035.60 × 13,142.30
  4. Step 4: Simplify right side
    23,213.86x = 421,021,502.33
  5. Step 5: Solve for x
    x = 421,021,502.33/23,213.86
  6. Step 6: Final answer
    x = 18,136.65

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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.