Home / 19,037.92-26,255.18-12,316.54

Finding the Fourth Proportional to 19,037.92, 26,255.18 and 12,316.54

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Solution

The fourth proportional to 19,037.92, 26,255.18 and 12,316.54 is: 16,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.92 : 26,255.18 = 12,316.54 : x
  2. Step 2: Convert to fraction form
    19,037.92/26,255.18 = 12,316.54/x
  3. Step 3: Cross multiply
    19,037.92x = 26,255.18 × 12,316.54
  4. Step 4: Simplify right side
    19,037.92x = 323,372,974.68
  5. Step 5: Solve for x
    x = 323,372,974.68/19,037.92
  6. Step 6: Final answer
    x = 16,985.73

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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.