Home / 19,439.72-26,826.58-11,056.20

Finding the Fourth Proportional to 19,439.72, 26,826.58 and 11,056.20

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Solution

The fourth proportional to 19,439.72, 26,826.58 and 11,056.20 is: 15,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.72 : 26,826.58 = 11,056.20 : x
  2. Step 2: Convert to fraction form
    19,439.72/26,826.58 = 11,056.20/x
  3. Step 3: Cross multiply
    19,439.72x = 26,826.58 × 11,056.20
  4. Step 4: Simplify right side
    19,439.72x = 296,600,033.80
  5. Step 5: Solve for x
    x = 296,600,033.80/19,439.72
  6. Step 6: Final answer
    x = 15,257.42

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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.