Home / 27,013.40-37,278.53-15,076.73

Finding the Fourth Proportional to 27,013.40, 37,278.53 and 15,076.73

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Solution

The fourth proportional to 27,013.40, 37,278.53 and 15,076.73 is: 20,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.40 : 37,278.53 = 15,076.73 : x
  2. Step 2: Convert to fraction form
    27,013.40/37,278.53 = 15,076.73/x
  3. Step 3: Cross multiply
    27,013.40x = 37,278.53 × 15,076.73
  4. Step 4: Simplify right side
    27,013.40x = 562,038,405.96
  5. Step 5: Solve for x
    x = 562,038,405.96/27,013.40
  6. Step 6: Final answer
    x = 20,805.91

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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.