Home / 23,309.47-32,167.13-12,699.79

Finding the Fourth Proportional to 23,309.47, 32,167.13 and 12,699.79

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Solution

The fourth proportional to 23,309.47, 32,167.13 and 12,699.79 is: 17,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,309.47 : 32,167.13 = 12,699.79 : x
  2. Step 2: Convert to fraction form
    23,309.47/32,167.13 = 12,699.79/x
  3. Step 3: Cross multiply
    23,309.47x = 32,167.13 × 12,699.79
  4. Step 4: Simplify right side
    23,309.47x = 408,515,651.99
  5. Step 5: Solve for x
    x = 408,515,651.99/23,309.47
  6. Step 6: Final answer
    x = 17,525.74

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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.