Home / 19,622.75-27,079.58-11,124.90

Finding the Fourth Proportional to 19,622.75, 27,079.58 and 11,124.90

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Solution

The fourth proportional to 19,622.75, 27,079.58 and 11,124.90 is: 15,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.75 : 27,079.58 = 11,124.90 : x
  2. Step 2: Convert to fraction form
    19,622.75/27,079.58 = 11,124.90/x
  3. Step 3: Cross multiply
    19,622.75x = 27,079.58 × 11,124.90
  4. Step 4: Simplify right side
    19,622.75x = 301,257,647.35
  5. Step 5: Solve for x
    x = 301,257,647.35/19,622.75
  6. Step 6: Final answer
    x = 15,352.47

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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.