Home / 17,971.38-26,953.36-4,820.63

Finding the Fourth Proportional to 17,971.38, 26,953.36 and 4,820.63

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Solution

The fourth proportional to 17,971.38, 26,953.36 and 4,820.63 is: 7,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.38 : 26,953.36 = 4,820.63 : x
  2. Step 2: Convert to fraction form
    17,971.38/26,953.36 = 4,820.63/x
  3. Step 3: Cross multiply
    17,971.38x = 26,953.36 × 4,820.63
  4. Step 4: Simplify right side
    17,971.38x = 129,932,029.00
  5. Step 5: Solve for x
    x = 129,932,029.00/17,971.38
  6. Step 6: Final answer
    x = 7,229.94

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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.