Home / 19,298.43-26,627.45-12,220.79

Finding the Fourth Proportional to 19,298.43, 26,627.45 and 12,220.79

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Solution

The fourth proportional to 19,298.43, 26,627.45 and 12,220.79 is: 16,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.43 : 26,627.45 = 12,220.79 : x
  2. Step 2: Convert to fraction form
    19,298.43/26,627.45 = 12,220.79/x
  3. Step 3: Cross multiply
    19,298.43x = 26,627.45 × 12,220.79
  4. Step 4: Simplify right side
    19,298.43x = 325,408,280.44
  5. Step 5: Solve for x
    x = 325,408,280.44/19,298.43
  6. Step 6: Final answer
    x = 16,861.90

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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.