Home / 20,594.73-30,887.37-12,277.11

Finding the Fourth Proportional to 20,594.73, 30,887.37 and 12,277.11

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Solution

The fourth proportional to 20,594.73, 30,887.37 and 12,277.11 is: 18,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.73 : 30,887.37 = 12,277.11 : x
  2. Step 2: Convert to fraction form
    20,594.73/30,887.37 = 12,277.11/x
  3. Step 3: Cross multiply
    20,594.73x = 30,887.37 × 12,277.11
  4. Step 4: Simplify right side
    20,594.73x = 379,207,639.10
  5. Step 5: Solve for x
    x = 379,207,639.10/20,594.73
  6. Step 6: Final answer
    x = 18,412.85

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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.