Home / 19,290.78-26,624.12-11,735.65

Finding the Fourth Proportional to 19,290.78, 26,624.12 and 11,735.65

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Solution

The fourth proportional to 19,290.78, 26,624.12 and 11,735.65 is: 16,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.78 : 26,624.12 = 11,735.65 : x
  2. Step 2: Convert to fraction form
    19,290.78/26,624.12 = 11,735.65/x
  3. Step 3: Cross multiply
    19,290.78x = 26,624.12 × 11,735.65
  4. Step 4: Simplify right side
    19,290.78x = 312,451,228.64
  5. Step 5: Solve for x
    x = 312,451,228.64/19,290.78
  6. Step 6: Final answer
    x = 16,196.92

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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.