Home / 26,138.37-39,202.93-11,903.59

Finding the Fourth Proportional to 26,138.37, 39,202.93 and 11,903.59

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Solution

The fourth proportional to 26,138.37, 39,202.93 and 11,903.59 is: 17,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.37 : 39,202.93 = 11,903.59 : x
  2. Step 2: Convert to fraction form
    26,138.37/39,202.93 = 11,903.59/x
  3. Step 3: Cross multiply
    26,138.37x = 39,202.93 × 11,903.59
  4. Step 4: Simplify right side
    26,138.37x = 466,655,605.52
  5. Step 5: Solve for x
    x = 466,655,605.52/26,138.37
  6. Step 6: Final answer
    x = 17,853.28

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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.