Home / 27,172.18-37,513.70-17,109.25

Finding the Fourth Proportional to 27,172.18, 37,513.70 and 17,109.25

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Solution

The fourth proportional to 27,172.18, 37,513.70 and 17,109.25 is: 23,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.18 : 37,513.70 = 17,109.25 : x
  2. Step 2: Convert to fraction form
    27,172.18/37,513.70 = 17,109.25/x
  3. Step 3: Cross multiply
    27,172.18x = 37,513.70 × 17,109.25
  4. Step 4: Simplify right side
    27,172.18x = 641,831,271.73
  5. Step 5: Solve for x
    x = 641,831,271.73/27,172.18
  6. Step 6: Final answer
    x = 23,620.90

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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.