Home / 25,632.85-35,375.78-15,558.98

Finding the Fourth Proportional to 25,632.85, 35,375.78 and 15,558.98

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Solution

The fourth proportional to 25,632.85, 35,375.78 and 15,558.98 is: 21,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,632.85 : 35,375.78 = 15,558.98 : x
  2. Step 2: Convert to fraction form
    25,632.85/35,375.78 = 15,558.98/x
  3. Step 3: Cross multiply
    25,632.85x = 35,375.78 × 15,558.98
  4. Step 4: Simplify right side
    25,632.85x = 550,411,093.32
  5. Step 5: Solve for x
    x = 550,411,093.32/25,632.85
  6. Step 6: Final answer
    x = 21,472.88

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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.