Home / 25,278.13-37,918.10-9,481.55

Finding the Fourth Proportional to 25,278.13, 37,918.10 and 9,481.55

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Solution

The fourth proportional to 25,278.13, 37,918.10 and 9,481.55 is: 14,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.13 : 37,918.10 = 9,481.55 : x
  2. Step 2: Convert to fraction form
    25,278.13/37,918.10 = 9,481.55/x
  3. Step 3: Cross multiply
    25,278.13x = 37,918.10 × 9,481.55
  4. Step 4: Simplify right side
    25,278.13x = 359,522,361.06
  5. Step 5: Solve for x
    x = 359,522,361.06/25,278.13
  6. Step 6: Final answer
    x = 14,222.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.