Home / 19,126.72-28,701.30-8,032.55

Finding the Fourth Proportional to 19,126.72, 28,701.30 and 8,032.55

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Solution

The fourth proportional to 19,126.72, 28,701.30 and 8,032.55 is: 12,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.72 : 28,701.30 = 8,032.55 : x
  2. Step 2: Convert to fraction form
    19,126.72/28,701.30 = 8,032.55/x
  3. Step 3: Cross multiply
    19,126.72x = 28,701.30 × 8,032.55
  4. Step 4: Simplify right side
    19,126.72x = 230,544,627.32
  5. Step 5: Solve for x
    x = 230,544,627.32/19,126.72
  6. Step 6: Final answer
    x = 12,053.54

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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.