Home / 14,318.10-21,479.10-4,955.60

Finding the Fourth Proportional to 14,318.10, 21,479.10 and 4,955.60

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Solution

The fourth proportional to 14,318.10, 21,479.10 and 4,955.60 is: 7,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.10 : 21,479.10 = 4,955.60 : x
  2. Step 2: Convert to fraction form
    14,318.10/21,479.10 = 4,955.60/x
  3. Step 3: Cross multiply
    14,318.10x = 21,479.10 × 4,955.60
  4. Step 4: Simplify right side
    14,318.10x = 106,441,827.96
  5. Step 5: Solve for x
    x = 106,441,827.96/14,318.10
  6. Step 6: Final answer
    x = 7,434.07

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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.