Home / 15,135.90-22,713.41-5,776.92

Finding the Fourth Proportional to 15,135.90, 22,713.41 and 5,776.92

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Solution

The fourth proportional to 15,135.90, 22,713.41 and 5,776.92 is: 8,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.90 : 22,713.41 = 5,776.92 : x
  2. Step 2: Convert to fraction form
    15,135.90/22,713.41 = 5,776.92/x
  3. Step 3: Cross multiply
    15,135.90x = 22,713.41 × 5,776.92
  4. Step 4: Simplify right side
    15,135.90x = 131,213,566.94
  5. Step 5: Solve for x
    x = 131,213,566.94/15,135.90
  6. Step 6: Final answer
    x = 8,669.03

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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.