Home / 26,620.66-36,736.55-15,292.35

Finding the Fourth Proportional to 26,620.66, 36,736.55 and 15,292.35

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Solution

The fourth proportional to 26,620.66, 36,736.55 and 15,292.35 is: 21,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.66 : 36,736.55 = 15,292.35 : x
  2. Step 2: Convert to fraction form
    26,620.66/36,736.55 = 15,292.35/x
  3. Step 3: Cross multiply
    26,620.66x = 36,736.55 × 15,292.35
  4. Step 4: Simplify right side
    26,620.66x = 561,788,161.28
  5. Step 5: Solve for x
    x = 561,788,161.28/26,620.66
  6. Step 6: Final answer
    x = 21,103.46

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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.