Home / 16,781.68-25,172.60-5,095

Finding the Fourth Proportional to 16,781.68, 25,172.60 and 5,095

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Solution

The fourth proportional to 16,781.68, 25,172.60 and 5,095 is: 7,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.68 : 25,172.60 = 5,095 : x
  2. Step 2: Convert to fraction form
    16,781.68/25,172.60 = 5,095/x
  3. Step 3: Cross multiply
    16,781.68x = 25,172.60 × 5,095
  4. Step 4: Simplify right side
    16,781.68x = 128,254,397
  5. Step 5: Solve for x
    x = 128,254,397/16,781.68
  6. Step 6: Final answer
    x = 7,642.52

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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.