Home / 26,190.90-39,264.30-10,619.46

Finding the Fourth Proportional to 26,190.90, 39,264.30 and 10,619.46

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Solution

The fourth proportional to 26,190.90, 39,264.30 and 10,619.46 is: 15,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.90 : 39,264.30 = 10,619.46 : x
  2. Step 2: Convert to fraction form
    26,190.90/39,264.30 = 10,619.46/x
  3. Step 3: Cross multiply
    26,190.90x = 39,264.30 × 10,619.46
  4. Step 4: Simplify right side
    26,190.90x = 416,965,663.28
  5. Step 5: Solve for x
    x = 416,965,663.28/26,190.90
  6. Step 6: Final answer
    x = 15,920.25

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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.