Home / 14,093.64-21,122.37-5,318.10

Finding the Fourth Proportional to 14,093.64, 21,122.37 and 5,318.10

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Solution

The fourth proportional to 14,093.64, 21,122.37 and 5,318.10 is: 7,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.64 : 21,122.37 = 5,318.10 : x
  2. Step 2: Convert to fraction form
    14,093.64/21,122.37 = 5,318.10/x
  3. Step 3: Cross multiply
    14,093.64x = 21,122.37 × 5,318.10
  4. Step 4: Simplify right side
    14,093.64x = 112,330,875.90
  5. Step 5: Solve for x
    x = 112,330,875.90/14,093.64
  6. Step 6: Final answer
    x = 7,970.32

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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.