Home / 25,927.80-38,910.90-10,356.60

Finding the Fourth Proportional to 25,927.80, 38,910.90 and 10,356.60

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Solution

The fourth proportional to 25,927.80, 38,910.90 and 10,356.60 is: 15,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,927.80 : 38,910.90 = 10,356.60 : x
  2. Step 2: Convert to fraction form
    25,927.80/38,910.90 = 10,356.60/x
  3. Step 3: Cross multiply
    25,927.80x = 38,910.90 × 10,356.60
  4. Step 4: Simplify right side
    25,927.80x = 402,984,626.94
  5. Step 5: Solve for x
    x = 402,984,626.94/25,927.80
  6. Step 6: Final answer
    x = 15,542.57

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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.