Home / 26,172.03-36,115.70-15,562.47

Finding the Fourth Proportional to 26,172.03, 36,115.70 and 15,562.47

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Solution

The fourth proportional to 26,172.03, 36,115.70 and 15,562.47 is: 21,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.03 : 36,115.70 = 15,562.47 : x
  2. Step 2: Convert to fraction form
    26,172.03/36,115.70 = 15,562.47/x
  3. Step 3: Cross multiply
    26,172.03x = 36,115.70 × 15,562.47
  4. Step 4: Simplify right side
    26,172.03x = 562,049,419.97
  5. Step 5: Solve for x
    x = 562,049,419.97/26,172.03
  6. Step 6: Final answer
    x = 21,475.19

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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.