Home / 26,220.54-39,309.03-10,415.82

Finding the Fourth Proportional to 26,220.54, 39,309.03 and 10,415.82

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Solution

The fourth proportional to 26,220.54, 39,309.03 and 10,415.82 is: 15,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.54 : 39,309.03 = 10,415.82 : x
  2. Step 2: Convert to fraction form
    26,220.54/39,309.03 = 10,415.82/x
  3. Step 3: Cross multiply
    26,220.54x = 39,309.03 × 10,415.82
  4. Step 4: Simplify right side
    26,220.54x = 409,435,780.85
  5. Step 5: Solve for x
    x = 409,435,780.85/26,220.54
  6. Step 6: Final answer
    x = 15,615.08

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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.