Home / 14,328.10-21,479.19-5,091.94

Finding the Fourth Proportional to 14,328.10, 21,479.19 and 5,091.94

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Solution

The fourth proportional to 14,328.10, 21,479.19 and 5,091.94 is: 7,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.10 : 21,479.19 = 5,091.94 : x
  2. Step 2: Convert to fraction form
    14,328.10/21,479.19 = 5,091.94/x
  3. Step 3: Cross multiply
    14,328.10x = 21,479.19 × 5,091.94
  4. Step 4: Simplify right side
    14,328.10x = 109,370,746.73
  5. Step 5: Solve for x
    x = 109,370,746.73/14,328.10
  6. Step 6: Final answer
    x = 7,633.30

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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.