Home / 19,037.86-28,573.19-13,198.57

Finding the Fourth Proportional to 19,037.86, 28,573.19 and 13,198.57

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Solution

The fourth proportional to 19,037.86, 28,573.19 and 13,198.57 is: 19,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.86 : 28,573.19 = 13,198.57 : x
  2. Step 2: Convert to fraction form
    19,037.86/28,573.19 = 13,198.57/x
  3. Step 3: Cross multiply
    19,037.86x = 28,573.19 × 13,198.57
  4. Step 4: Simplify right side
    19,037.86x = 377,125,248.34
  5. Step 5: Solve for x
    x = 377,125,248.34/19,037.86
  6. Step 6: Final answer
    x = 19,809.22

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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.