Home / 23,205.86-32,013.68-15,649.74

Finding the Fourth Proportional to 23,205.86, 32,013.68 and 15,649.74

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Solution

The fourth proportional to 23,205.86, 32,013.68 and 15,649.74 is: 21,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,205.86 : 32,013.68 = 15,649.74 : x
  2. Step 2: Convert to fraction form
    23,205.86/32,013.68 = 15,649.74/x
  3. Step 3: Cross multiply
    23,205.86x = 32,013.68 × 15,649.74
  4. Step 4: Simplify right side
    23,205.86x = 501,005,768.44
  5. Step 5: Solve for x
    x = 501,005,768.44/23,205.86
  6. Step 6: Final answer
    x = 21,589.62

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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.