Home / 14,605.36-21,898.04-5,245.20

Finding the Fourth Proportional to 14,605.36, 21,898.04 and 5,245.20

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Solution

The fourth proportional to 14,605.36, 21,898.04 and 5,245.20 is: 7,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.36 : 21,898.04 = 5,245.20 : x
  2. Step 2: Convert to fraction form
    14,605.36/21,898.04 = 5,245.20/x
  3. Step 3: Cross multiply
    14,605.36x = 21,898.04 × 5,245.20
  4. Step 4: Simplify right side
    14,605.36x = 114,859,599.41
  5. Step 5: Solve for x
    x = 114,859,599.41/14,605.36
  6. Step 6: Final answer
    x = 7,864.21

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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.