Home / 27,102.47-37,402.97-15,165.70

Finding the Fourth Proportional to 27,102.47, 37,402.97 and 15,165.70

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Solution

The fourth proportional to 27,102.47, 37,402.97 and 15,165.70 is: 20,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.47 : 37,402.97 = 15,165.70 : x
  2. Step 2: Convert to fraction form
    27,102.47/37,402.97 = 15,165.70/x
  3. Step 3: Cross multiply
    27,102.47x = 37,402.97 × 15,165.70
  4. Step 4: Simplify right side
    27,102.47x = 567,242,222.13
  5. Step 5: Solve for x
    x = 567,242,222.13/27,102.47
  6. Step 6: Final answer
    x = 20,929.54

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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.