Home / 37,140.64-55,716.56-13,453.76

Finding the Fourth Proportional to 37,140.64, 55,716.56 and 13,453.76

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Solution

The fourth proportional to 37,140.64, 55,716.56 and 13,453.76 is: 20,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.64 : 55,716.56 = 13,453.76 : x
  2. Step 2: Convert to fraction form
    37,140.64/55,716.56 = 13,453.76/x
  3. Step 3: Cross multiply
    37,140.64x = 55,716.56 × 13,453.76
  4. Step 4: Simplify right side
    37,140.64x = 749,597,226.27
  5. Step 5: Solve for x
    x = 749,597,226.27/37,140.64
  6. Step 6: Final answer
    x = 20,182.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.