Home / 16,910.47-23,326.27-12,445.75

Finding the Fourth Proportional to 16,910.47, 23,326.27 and 12,445.75

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Solution

The fourth proportional to 16,910.47, 23,326.27 and 12,445.75 is: 17,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.47 : 23,326.27 = 12,445.75 : x
  2. Step 2: Convert to fraction form
    16,910.47/23,326.27 = 12,445.75/x
  3. Step 3: Cross multiply
    16,910.47x = 23,326.27 × 12,445.75
  4. Step 4: Simplify right side
    16,910.47x = 290,312,924.85
  5. Step 5: Solve for x
    x = 290,312,924.85/16,910.47
  6. Step 6: Final answer
    x = 17,167.64

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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.