Home / 19,214.73-28,923.98-13,706.19

Finding the Fourth Proportional to 19,214.73, 28,923.98 and 13,706.19

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Solution

The fourth proportional to 19,214.73, 28,923.98 and 13,706.19 is: 20,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.73 : 28,923.98 = 13,706.19 : x
  2. Step 2: Convert to fraction form
    19,214.73/28,923.98 = 13,706.19/x
  3. Step 3: Cross multiply
    19,214.73x = 28,923.98 × 13,706.19
  4. Step 4: Simplify right side
    19,214.73x = 396,437,496.91
  5. Step 5: Solve for x
    x = 396,437,496.91/19,214.73
  6. Step 6: Final answer
    x = 20,631.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.