Home / 16,975.09-23,404.12-12,135.61

Finding the Fourth Proportional to 16,975.09, 23,404.12 and 12,135.61

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Solution

The fourth proportional to 16,975.09, 23,404.12 and 12,135.61 is: 16,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.09 : 23,404.12 = 12,135.61 : x
  2. Step 2: Convert to fraction form
    16,975.09/23,404.12 = 12,135.61/x
  3. Step 3: Cross multiply
    16,975.09x = 23,404.12 × 12,135.61
  4. Step 4: Simplify right side
    16,975.09x = 284,023,272.71
  5. Step 5: Solve for x
    x = 284,023,272.71/16,975.09
  6. Step 6: Final answer
    x = 16,731.77

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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.