Home / 25,461.75-35,137.22-15,525.75

Finding the Fourth Proportional to 25,461.75, 35,137.22 and 15,525.75

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Solution

The fourth proportional to 25,461.75, 35,137.22 and 15,525.75 is: 21,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.75 : 35,137.22 = 15,525.75 : x
  2. Step 2: Convert to fraction form
    25,461.75/35,137.22 = 15,525.75/x
  3. Step 3: Cross multiply
    25,461.75x = 35,137.22 × 15,525.75
  4. Step 4: Simplify right side
    25,461.75x = 545,531,693.42
  5. Step 5: Solve for x
    x = 545,531,693.42/25,461.75
  6. Step 6: Final answer
    x = 21,425.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.