Home / 44,289.05-66,434.36-13,125.05

Finding the Fourth Proportional to 44,289.05, 66,434.36 and 13,125.05

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Solution

The fourth proportional to 44,289.05, 66,434.36 and 13,125.05 is: 19,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,289.05 : 66,434.36 = 13,125.05 : x
  2. Step 2: Convert to fraction form
    44,289.05/66,434.36 = 13,125.05/x
  3. Step 3: Cross multiply
    44,289.05x = 66,434.36 × 13,125.05
  4. Step 4: Simplify right side
    44,289.05x = 871,954,231.09
  5. Step 5: Solve for x
    x = 871,954,231.09/44,289.05
  6. Step 6: Final answer
    x = 19,687.81

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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.