Home / 14,321.56-21,477.18-4,959.04

Finding the Fourth Proportional to 14,321.56, 21,477.18 and 4,959.04

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Solution

The fourth proportional to 14,321.56, 21,477.18 and 4,959.04 is: 7,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.56 : 21,477.18 = 4,959.04 : x
  2. Step 2: Convert to fraction form
    14,321.56/21,477.18 = 4,959.04/x
  3. Step 3: Cross multiply
    14,321.56x = 21,477.18 × 4,959.04
  4. Step 4: Simplify right side
    14,321.56x = 106,506,194.71
  5. Step 5: Solve for x
    x = 106,506,194.71/14,321.56
  6. Step 6: Final answer
    x = 7,436.77

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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.