Home / 14,064.40-21,096.60-5,301.28

Finding the Fourth Proportional to 14,064.40, 21,096.60 and 5,301.28

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Solution

The fourth proportional to 14,064.40, 21,096.60 and 5,301.28 is: 7,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.40 : 21,096.60 = 5,301.28 : x
  2. Step 2: Convert to fraction form
    14,064.40/21,096.60 = 5,301.28/x
  3. Step 3: Cross multiply
    14,064.40x = 21,096.60 × 5,301.28
  4. Step 4: Simplify right side
    14,064.40x = 111,838,983.65
  5. Step 5: Solve for x
    x = 111,838,983.65/14,064.40
  6. Step 6: Final answer
    x = 7,951.92

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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.