Home / 12,533.29-18,802.10-4,214.10

Finding the Fourth Proportional to 12,533.29, 18,802.10 and 4,214.10

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Solution

The fourth proportional to 12,533.29, 18,802.10 and 4,214.10 is: 6,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.29 : 18,802.10 = 4,214.10 : x
  2. Step 2: Convert to fraction form
    12,533.29/18,802.10 = 4,214.10/x
  3. Step 3: Cross multiply
    12,533.29x = 18,802.10 × 4,214.10
  4. Step 4: Simplify right side
    12,533.29x = 79,233,929.61
  5. Step 5: Solve for x
    x = 79,233,929.61/12,533.29
  6. Step 6: Final answer
    x = 6,321.88

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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.