Home / 14,582.34-21,840.68-10,219.28

Finding the Fourth Proportional to 14,582.34, 21,840.68 and 10,219.28

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Solution

The fourth proportional to 14,582.34, 21,840.68 and 10,219.28 is: 15,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.34 : 21,840.68 = 10,219.28 : x
  2. Step 2: Convert to fraction form
    14,582.34/21,840.68 = 10,219.28/x
  3. Step 3: Cross multiply
    14,582.34x = 21,840.68 × 10,219.28
  4. Step 4: Simplify right side
    14,582.34x = 223,195,940.66
  5. Step 5: Solve for x
    x = 223,195,940.66/14,582.34
  6. Step 6: Final answer
    x = 15,305.91

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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.