Home / 19,364.39-29,022.38-8,258.13

Finding the Fourth Proportional to 19,364.39, 29,022.38 and 8,258.13

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Solution

The fourth proportional to 19,364.39, 29,022.38 and 8,258.13 is: 12,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.39 : 29,022.38 = 8,258.13 : x
  2. Step 2: Convert to fraction form
    19,364.39/29,022.38 = 8,258.13/x
  3. Step 3: Cross multiply
    19,364.39x = 29,022.38 × 8,258.13
  4. Step 4: Simplify right side
    19,364.39x = 239,670,471.78
  5. Step 5: Solve for x
    x = 239,670,471.78/19,364.39
  6. Step 6: Final answer
    x = 12,376.87

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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.