Home / 26,211.42-36,172.80-15,035.58

Finding the Fourth Proportional to 26,211.42, 36,172.80 and 15,035.58

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Solution

The fourth proportional to 26,211.42, 36,172.80 and 15,035.58 is: 20,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.42 : 36,172.80 = 15,035.58 : x
  2. Step 2: Convert to fraction form
    26,211.42/36,172.80 = 15,035.58/x
  3. Step 3: Cross multiply
    26,211.42x = 36,172.80 × 15,035.58
  4. Step 4: Simplify right side
    26,211.42x = 543,879,028.22
  5. Step 5: Solve for x
    x = 543,879,028.22/26,211.42
  6. Step 6: Final answer
    x = 20,749.70

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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.