Home / 22,316.52-30,795.64-12,884.52

Finding the Fourth Proportional to 22,316.52, 30,795.64 and 12,884.52

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Solution

The fourth proportional to 22,316.52, 30,795.64 and 12,884.52 is: 17,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,316.52 : 30,795.64 = 12,884.52 : x
  2. Step 2: Convert to fraction form
    22,316.52/30,795.64 = 12,884.52/x
  3. Step 3: Cross multiply
    22,316.52x = 30,795.64 × 12,884.52
  4. Step 4: Simplify right side
    22,316.52x = 396,787,039.49
  5. Step 5: Solve for x
    x = 396,787,039.49/22,316.52
  6. Step 6: Final answer
    x = 17,779.97

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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.