Home / 22,391.06-30,898.94-12,319.52

Finding the Fourth Proportional to 22,391.06, 30,898.94 and 12,319.52

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Solution

The fourth proportional to 22,391.06, 30,898.94 and 12,319.52 is: 17,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,391.06 : 30,898.94 = 12,319.52 : x
  2. Step 2: Convert to fraction form
    22,391.06/30,898.94 = 12,319.52/x
  3. Step 3: Cross multiply
    22,391.06x = 30,898.94 × 12,319.52
  4. Step 4: Simplify right side
    22,391.06x = 380,659,893.22
  5. Step 5: Solve for x
    x = 380,659,893.22/22,391.06
  6. Step 6: Final answer
    x = 17,000.53

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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.