Home / 26,415.60-39,640.58-11,437.35

Finding the Fourth Proportional to 26,415.60, 39,640.58 and 11,437.35

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Solution

The fourth proportional to 26,415.60, 39,640.58 and 11,437.35 is: 17,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.60 : 39,640.58 = 11,437.35 : x
  2. Step 2: Convert to fraction form
    26,415.60/39,640.58 = 11,437.35/x
  3. Step 3: Cross multiply
    26,415.60x = 39,640.58 × 11,437.35
  4. Step 4: Simplify right side
    26,415.60x = 453,383,124.59
  5. Step 5: Solve for x
    x = 453,383,124.59/26,415.60
  6. Step 6: Final answer
    x = 17,163.46

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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.