Home / 17,405.18-24,029.45-11,447.12

Finding the Fourth Proportional to 17,405.18, 24,029.45 and 11,447.12

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Solution

The fourth proportional to 17,405.18, 24,029.45 and 11,447.12 is: 15,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.18 : 24,029.45 = 11,447.12 : x
  2. Step 2: Convert to fraction form
    17,405.18/24,029.45 = 11,447.12/x
  3. Step 3: Cross multiply
    17,405.18x = 24,029.45 × 11,447.12
  4. Step 4: Simplify right side
    17,405.18x = 275,068,000.52
  5. Step 5: Solve for x
    x = 275,068,000.52/17,405.18
  6. Step 6: Final answer
    x = 15,803.81

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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.