Home / 14,641.10-21,966.26-4,778.07

Finding the Fourth Proportional to 14,641.10, 21,966.26 and 4,778.07

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Solution

The fourth proportional to 14,641.10, 21,966.26 and 4,778.07 is: 7,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,641.10 : 21,966.26 = 4,778.07 : x
  2. Step 2: Convert to fraction form
    14,641.10/21,966.26 = 4,778.07/x
  3. Step 3: Cross multiply
    14,641.10x = 21,966.26 × 4,778.07
  4. Step 4: Simplify right side
    14,641.10x = 104,956,372.09
  5. Step 5: Solve for x
    x = 104,956,372.09/14,641.10
  6. Step 6: Final answer
    x = 7,168.61

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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.