Home / 27,108.70-37,409.67-15,172.13

Finding the Fourth Proportional to 27,108.70, 37,409.67 and 15,172.13

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Solution

The fourth proportional to 27,108.70, 37,409.67 and 15,172.13 is: 20,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.70 : 37,409.67 = 15,172.13 : x
  2. Step 2: Convert to fraction form
    27,108.70/37,409.67 = 15,172.13/x
  3. Step 3: Cross multiply
    27,108.70x = 37,409.67 × 15,172.13
  4. Step 4: Simplify right side
    27,108.70x = 567,584,470.02
  5. Step 5: Solve for x
    x = 567,584,470.02/27,108.70
  6. Step 6: Final answer
    x = 20,937.36

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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.