Home / 17,398.50-23,999.14-15,272.35

Finding the Fourth Proportional to 17,398.50, 23,999.14 and 15,272.35

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Solution

The fourth proportional to 17,398.50, 23,999.14 and 15,272.35 is: 21,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.50 : 23,999.14 = 15,272.35 : x
  2. Step 2: Convert to fraction form
    17,398.50/23,999.14 = 15,272.35/x
  3. Step 3: Cross multiply
    17,398.50x = 23,999.14 × 15,272.35
  4. Step 4: Simplify right side
    17,398.50x = 366,523,138.96
  5. Step 5: Solve for x
    x = 366,523,138.96/17,398.50
  6. Step 6: Final answer
    x = 21,066.37

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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.