Home / 25,631.39-35,371.35-15,021.03

Finding the Fourth Proportional to 25,631.39, 35,371.35 and 15,021.03

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Solution

The fourth proportional to 25,631.39, 35,371.35 and 15,021.03 is: 20,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.39 : 35,371.35 = 15,021.03 : x
  2. Step 2: Convert to fraction form
    25,631.39/35,371.35 = 15,021.03/x
  3. Step 3: Cross multiply
    25,631.39x = 35,371.35 × 15,021.03
  4. Step 4: Simplify right side
    25,631.39x = 531,314,109.49
  5. Step 5: Solve for x
    x = 531,314,109.49/25,631.39
  6. Step 6: Final answer
    x = 20,729.04

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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.