Home / 27,134.46-37,447.65-15,201.81

Finding the Fourth Proportional to 27,134.46, 37,447.65 and 15,201.81

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Solution

The fourth proportional to 27,134.46, 37,447.65 and 15,201.81 is: 20,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.46 : 37,447.65 = 15,201.81 : x
  2. Step 2: Convert to fraction form
    27,134.46/37,447.65 = 15,201.81/x
  3. Step 3: Cross multiply
    27,134.46x = 37,447.65 × 15,201.81
  4. Step 4: Simplify right side
    27,134.46x = 569,272,060.25
  5. Step 5: Solve for x
    x = 569,272,060.25/27,134.46
  6. Step 6: Final answer
    x = 20,979.67

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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.