Home / 16,945.74-25,385.67-8,186.81

Finding the Fourth Proportional to 16,945.74, 25,385.67 and 8,186.81

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Solution

The fourth proportional to 16,945.74, 25,385.67 and 8,186.81 is: 12,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.74 : 25,385.67 = 8,186.81 : x
  2. Step 2: Convert to fraction form
    16,945.74/25,385.67 = 8,186.81/x
  3. Step 3: Cross multiply
    16,945.74x = 25,385.67 × 8,186.81
  4. Step 4: Simplify right side
    16,945.74x = 207,827,530.08
  5. Step 5: Solve for x
    x = 207,827,530.08/16,945.74
  6. Step 6: Final answer
    x = 12,264.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.