Home / 19,047.45-28,560.22-10,151.83

Finding the Fourth Proportional to 19,047.45, 28,560.22 and 10,151.83

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Solution

The fourth proportional to 19,047.45, 28,560.22 and 10,151.83 is: 15,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.45 : 28,560.22 = 10,151.83 : x
  2. Step 2: Convert to fraction form
    19,047.45/28,560.22 = 10,151.83/x
  3. Step 3: Cross multiply
    19,047.45x = 28,560.22 × 10,151.83
  4. Step 4: Simplify right side
    19,047.45x = 289,938,498.20
  5. Step 5: Solve for x
    x = 289,938,498.20/19,047.45
  6. Step 6: Final answer
    x = 15,221.91

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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.