Home / 13,124.31-19,680.69-4,802.17

Finding the Fourth Proportional to 13,124.31, 19,680.69 and 4,802.17

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Solution

The fourth proportional to 13,124.31, 19,680.69 and 4,802.17 is: 7,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.31 : 19,680.69 = 4,802.17 : x
  2. Step 2: Convert to fraction form
    13,124.31/19,680.69 = 4,802.17/x
  3. Step 3: Cross multiply
    13,124.31x = 19,680.69 × 4,802.17
  4. Step 4: Simplify right side
    13,124.31x = 94,509,896.68
  5. Step 5: Solve for x
    x = 94,509,896.68/13,124.31
  6. Step 6: Final answer
    x = 7,201.13

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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.