Home / 15,193.70-22,750.77-12,216.32

Finding the Fourth Proportional to 15,193.70, 22,750.77 and 12,216.32

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Solution

The fourth proportional to 15,193.70, 22,750.77 and 12,216.32 is: 18,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.70 : 22,750.77 = 12,216.32 : x
  2. Step 2: Convert to fraction form
    15,193.70/22,750.77 = 12,216.32/x
  3. Step 3: Cross multiply
    15,193.70x = 22,750.77 × 12,216.32
  4. Step 4: Simplify right side
    15,193.70x = 277,930,686.57
  5. Step 5: Solve for x
    x = 277,930,686.57/15,193.70
  6. Step 6: Final answer
    x = 18,292.50

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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.