Home / 25,185.39-37,764.21-10,390.94

Finding the Fourth Proportional to 25,185.39, 37,764.21 and 10,390.94

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Solution

The fourth proportional to 25,185.39, 37,764.21 and 10,390.94 is: 15,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.39 : 37,764.21 = 10,390.94 : x
  2. Step 2: Convert to fraction form
    25,185.39/37,764.21 = 10,390.94/x
  3. Step 3: Cross multiply
    25,185.39x = 37,764.21 × 10,390.94
  4. Step 4: Simplify right side
    25,185.39x = 392,405,640.26
  5. Step 5: Solve for x
    x = 392,405,640.26/25,185.39
  6. Step 6: Final answer
    x = 15,580.69

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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.