Home / 14,148.10-21,223.54-5,263.92

Finding the Fourth Proportional to 14,148.10, 21,223.54 and 5,263.92

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Solution

The fourth proportional to 14,148.10, 21,223.54 and 5,263.92 is: 7,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.10 : 21,223.54 = 5,263.92 : x
  2. Step 2: Convert to fraction form
    14,148.10/21,223.54 = 5,263.92/x
  3. Step 3: Cross multiply
    14,148.10x = 21,223.54 × 5,263.92
  4. Step 4: Simplify right side
    14,148.10x = 111,719,016.68
  5. Step 5: Solve for x
    x = 111,719,016.68/14,148.10
  6. Step 6: Final answer
    x = 7,896.40

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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.