Home / 25,201.55-37,709.86-21,031.26

Finding the Fourth Proportional to 25,201.55, 37,709.86 and 21,031.26

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Solution

The fourth proportional to 25,201.55, 37,709.86 and 21,031.26 is: 31,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,201.55 : 37,709.86 = 21,031.26 : x
  2. Step 2: Convert to fraction form
    25,201.55/37,709.86 = 21,031.26/x
  3. Step 3: Cross multiply
    25,201.55x = 37,709.86 × 21,031.26
  4. Step 4: Simplify right side
    25,201.55x = 793,085,870.22
  5. Step 5: Solve for x
    x = 793,085,870.22/25,201.55
  6. Step 6: Final answer
    x = 31,469.73

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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.