Home / 26,756.21-36,923.19-15,425.73

Finding the Fourth Proportional to 26,756.21, 36,923.19 and 15,425.73

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Solution

The fourth proportional to 26,756.21, 36,923.19 and 15,425.73 is: 21,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.21 : 36,923.19 = 15,425.73 : x
  2. Step 2: Convert to fraction form
    26,756.21/36,923.19 = 15,425.73/x
  3. Step 3: Cross multiply
    26,756.21x = 36,923.19 × 15,425.73
  4. Step 4: Simplify right side
    26,756.21x = 569,567,159.68
  5. Step 5: Solve for x
    x = 569,567,159.68/26,756.21
  6. Step 6: Final answer
    x = 21,287.29

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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.