Home / 19,410.20-26,778.30-12,237.76

Finding the Fourth Proportional to 19,410.20, 26,778.30 and 12,237.76

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Solution

The fourth proportional to 19,410.20, 26,778.30 and 12,237.76 is: 16,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.20 : 26,778.30 = 12,237.76 : x
  2. Step 2: Convert to fraction form
    19,410.20/26,778.30 = 12,237.76/x
  3. Step 3: Cross multiply
    19,410.20x = 26,778.30 × 12,237.76
  4. Step 4: Simplify right side
    19,410.20x = 327,706,274.72
  5. Step 5: Solve for x
    x = 327,706,274.72/19,410.20
  6. Step 6: Final answer
    x = 16,883.20

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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.