Home / 26,490.41-36,556.86-15,880.04

Finding the Fourth Proportional to 26,490.41, 36,556.86 and 15,880.04

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Solution

The fourth proportional to 26,490.41, 36,556.86 and 15,880.04 is: 21,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.41 : 36,556.86 = 15,880.04 : x
  2. Step 2: Convert to fraction form
    26,490.41/36,556.86 = 15,880.04/x
  3. Step 3: Cross multiply
    26,490.41x = 36,556.86 × 15,880.04
  4. Step 4: Simplify right side
    26,490.41x = 580,524,216.29
  5. Step 5: Solve for x
    x = 580,524,216.29/26,490.41
  6. Step 6: Final answer
    x = 21,914.51

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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.