Home / 25,813.80-38,720.70-23,772.60

Finding the Fourth Proportional to 25,813.80, 38,720.70 and 23,772.60

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Solution

The fourth proportional to 25,813.80, 38,720.70 and 23,772.60 is: 35,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.80 : 38,720.70 = 23,772.60 : x
  2. Step 2: Convert to fraction form
    25,813.80/38,720.70 = 23,772.60/x
  3. Step 3: Cross multiply
    25,813.80x = 38,720.70 × 23,772.60
  4. Step 4: Simplify right side
    25,813.80x = 920,491,712.82
  5. Step 5: Solve for x
    x = 920,491,712.82/25,813.80
  6. Step 6: Final answer
    x = 35,658.90

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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.