Home / 27,251.70-37,610.19-18,317.94

Finding the Fourth Proportional to 27,251.70, 37,610.19 and 18,317.94

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Solution

The fourth proportional to 27,251.70, 37,610.19 and 18,317.94 is: 25,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.70 : 37,610.19 = 18,317.94 : x
  2. Step 2: Convert to fraction form
    27,251.70/37,610.19 = 18,317.94/x
  3. Step 3: Cross multiply
    27,251.70x = 37,610.19 × 18,317.94
  4. Step 4: Simplify right side
    27,251.70x = 688,941,203.81
  5. Step 5: Solve for x
    x = 688,941,203.81/27,251.70
  6. Step 6: Final answer
    x = 25,280.67

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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.