Home / 12,905.54-19,358.33-4,141.16

Finding the Fourth Proportional to 12,905.54, 19,358.33 and 4,141.16

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Solution

The fourth proportional to 12,905.54, 19,358.33 and 4,141.16 is: 6,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905.54 : 19,358.33 = 4,141.16 : x
  2. Step 2: Convert to fraction form
    12,905.54/19,358.33 = 4,141.16/x
  3. Step 3: Cross multiply
    12,905.54x = 19,358.33 × 4,141.16
  4. Step 4: Simplify right side
    12,905.54x = 80,165,824.37
  5. Step 5: Solve for x
    x = 80,165,824.37/12,905.54
  6. Step 6: Final answer
    x = 6,211.74

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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.