Home / 26,340.64-36,344.40-15,163.68

Finding the Fourth Proportional to 26,340.64, 36,344.40 and 15,163.68

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Solution

The fourth proportional to 26,340.64, 36,344.40 and 15,163.68 is: 20,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,340.64 : 36,344.40 = 15,163.68 : x
  2. Step 2: Convert to fraction form
    26,340.64/36,344.40 = 15,163.68/x
  3. Step 3: Cross multiply
    26,340.64x = 36,344.40 × 15,163.68
  4. Step 4: Simplify right side
    26,340.64x = 551,114,851.39
  5. Step 5: Solve for x
    x = 551,114,851.39/26,340.64
  6. Step 6: Final answer
    x = 20,922.61

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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.