Home / 25,431.96-38,120.74-9,629.56

Finding the Fourth Proportional to 25,431.96, 38,120.74 and 9,629.56

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Solution

The fourth proportional to 25,431.96, 38,120.74 and 9,629.56 is: 14,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.96 : 38,120.74 = 9,629.56 : x
  2. Step 2: Convert to fraction form
    25,431.96/38,120.74 = 9,629.56/x
  3. Step 3: Cross multiply
    25,431.96x = 38,120.74 × 9,629.56
  4. Step 4: Simplify right side
    25,431.96x = 367,085,953.07
  5. Step 5: Solve for x
    x = 367,085,953.07/25,431.96
  6. Step 6: Final answer
    x = 14,434.04

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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.