Home / 19,826.42-27,360.69-11,445.62

Finding the Fourth Proportional to 19,826.42, 27,360.69 and 11,445.62

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Solution

The fourth proportional to 19,826.42, 27,360.69 and 11,445.62 is: 15,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.42 : 27,360.69 = 11,445.62 : x
  2. Step 2: Convert to fraction form
    19,826.42/27,360.69 = 11,445.62/x
  3. Step 3: Cross multiply
    19,826.42x = 27,360.69 × 11,445.62
  4. Step 4: Simplify right side
    19,826.42x = 313,160,060.68
  5. Step 5: Solve for x
    x = 313,160,060.68/19,826.42
  6. Step 6: Final answer
    x = 15,795.09

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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.