Home / 26,460.76-36,515.42-15,131.31

Finding the Fourth Proportional to 26,460.76, 36,515.42 and 15,131.31

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Solution

The fourth proportional to 26,460.76, 36,515.42 and 15,131.31 is: 20,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,460.76 : 36,515.42 = 15,131.31 : x
  2. Step 2: Convert to fraction form
    26,460.76/36,515.42 = 15,131.31/x
  3. Step 3: Cross multiply
    26,460.76x = 36,515.42 × 15,131.31
  4. Step 4: Simplify right side
    26,460.76x = 552,526,077.05
  5. Step 5: Solve for x
    x = 552,526,077.05/26,460.76
  6. Step 6: Final answer
    x = 20,880.96

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Double scale
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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.