Home / 25,846.80-35,669.28-15,775.44

Finding the Fourth Proportional to 25,846.80, 35,669.28 and 15,775.44

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Solution

The fourth proportional to 25,846.80, 35,669.28 and 15,775.44 is: 21,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,846.80 : 35,669.28 = 15,775.44 : x
  2. Step 2: Convert to fraction form
    25,846.80/35,669.28 = 15,775.44/x
  3. Step 3: Cross multiply
    25,846.80x = 35,669.28 × 15,775.44
  4. Step 4: Simplify right side
    25,846.80x = 562,698,586.48
  5. Step 5: Solve for x
    x = 562,698,586.48/25,846.80
  6. Step 6: Final answer
    x = 21,770.53

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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.