Home / 23,173.86-31,948.99-18,409.61

Finding the Fourth Proportional to 23,173.86, 31,948.99 and 18,409.61

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Solution

The fourth proportional to 23,173.86, 31,948.99 and 18,409.61 is: 25,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.86 : 31,948.99 = 18,409.61 : x
  2. Step 2: Convert to fraction form
    23,173.86/31,948.99 = 18,409.61/x
  3. Step 3: Cross multiply
    23,173.86x = 31,948.99 × 18,409.61
  4. Step 4: Simplify right side
    23,173.86x = 588,168,445.79
  5. Step 5: Solve for x
    x = 588,168,445.79/23,173.86
  6. Step 6: Final answer
    x = 25,380.69

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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.