Home / 44,290.79-66,424.83-13,118.75

Finding the Fourth Proportional to 44,290.79, 66,424.83 and 13,118.75

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Solution

The fourth proportional to 44,290.79, 66,424.83 and 13,118.75 is: 19,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,290.79 : 66,424.83 = 13,118.75 : x
  2. Step 2: Convert to fraction form
    44,290.79/66,424.83 = 13,118.75/x
  3. Step 3: Cross multiply
    44,290.79x = 66,424.83 × 13,118.75
  4. Step 4: Simplify right side
    44,290.79x = 871,410,738.56
  5. Step 5: Solve for x
    x = 871,410,738.56/44,290.79
  6. Step 6: Final answer
    x = 19,674.76

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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.