Home / 15,051.99-20,772.48-9,083.55

Finding the Fourth Proportional to 15,051.99, 20,772.48 and 9,083.55

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Solution

The fourth proportional to 15,051.99, 20,772.48 and 9,083.55 is: 12,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.99 : 20,772.48 = 9,083.55 : x
  2. Step 2: Convert to fraction form
    15,051.99/20,772.48 = 9,083.55/x
  3. Step 3: Cross multiply
    15,051.99x = 20,772.48 × 9,083.55
  4. Step 4: Simplify right side
    15,051.99x = 188,687,860.70
  5. Step 5: Solve for x
    x = 188,687,860.70/15,051.99
  6. Step 6: Final answer
    x = 12,535.74

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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.