Home / 19,389.20-26,759.62-11,833.96

Finding the Fourth Proportional to 19,389.20, 26,759.62 and 11,833.96

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Solution

The fourth proportional to 19,389.20, 26,759.62 and 11,833.96 is: 16,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.20 : 26,759.62 = 11,833.96 : x
  2. Step 2: Convert to fraction form
    19,389.20/26,759.62 = 11,833.96/x
  3. Step 3: Cross multiply
    19,389.20x = 26,759.62 × 11,833.96
  4. Step 4: Simplify right side
    19,389.20x = 316,672,213.53
  5. Step 5: Solve for x
    x = 316,672,213.53/19,389.20
  6. Step 6: Final answer
    x = 16,332.40

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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.