Home / 25,322.22-37,979.88-7,790.58

Finding the Fourth Proportional to 25,322.22, 37,979.88 and 7,790.58

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Solution

The fourth proportional to 25,322.22, 37,979.88 and 7,790.58 is: 11,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.22 : 37,979.88 = 7,790.58 : x
  2. Step 2: Convert to fraction form
    25,322.22/37,979.88 = 7,790.58/x
  3. Step 3: Cross multiply
    25,322.22x = 37,979.88 × 7,790.58
  4. Step 4: Simplify right side
    25,322.22x = 295,885,293.53
  5. Step 5: Solve for x
    x = 295,885,293.53/25,322.22
  6. Step 6: Final answer
    x = 11,684.81

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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.