Home / 14,022.40-21,020.60-5,263.04

Finding the Fourth Proportional to 14,022.40, 21,020.60 and 5,263.04

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Solution

The fourth proportional to 14,022.40, 21,020.60 and 5,263.04 is: 7,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.40 : 21,020.60 = 5,263.04 : x
  2. Step 2: Convert to fraction form
    14,022.40/21,020.60 = 5,263.04/x
  3. Step 3: Cross multiply
    14,022.40x = 21,020.60 × 5,263.04
  4. Step 4: Simplify right side
    14,022.40x = 110,632,258.62
  5. Step 5: Solve for x
    x = 110,632,258.62/14,022.40
  6. Step 6: Final answer
    x = 7,889.68

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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.