Home / 16,781.16-23,166.90-10,495.56

Finding the Fourth Proportional to 16,781.16, 23,166.90 and 10,495.56

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Solution

The fourth proportional to 16,781.16, 23,166.90 and 10,495.56 is: 14,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.16 : 23,166.90 = 10,495.56 : x
  2. Step 2: Convert to fraction form
    16,781.16/23,166.90 = 10,495.56/x
  3. Step 3: Cross multiply
    16,781.16x = 23,166.90 × 10,495.56
  4. Step 4: Simplify right side
    16,781.16x = 243,149,588.96
  5. Step 5: Solve for x
    x = 243,149,588.96/16,781.16
  6. Step 6: Final answer
    x = 14,489.44

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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.