Home / 19,048.32-28,599.75-11,667.42

Finding the Fourth Proportional to 19,048.32, 28,599.75 and 11,667.42

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Solution

The fourth proportional to 19,048.32, 28,599.75 and 11,667.42 is: 17,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.32 : 28,599.75 = 11,667.42 : x
  2. Step 2: Convert to fraction form
    19,048.32/28,599.75 = 11,667.42/x
  3. Step 3: Cross multiply
    19,048.32x = 28,599.75 × 11,667.42
  4. Step 4: Simplify right side
    19,048.32x = 333,685,295.15
  5. Step 5: Solve for x
    x = 333,685,295.15/19,048.32
  6. Step 6: Final answer
    x = 17,517.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.