Home / 14,124.29-19,491.88-7,751.16

Finding the Fourth Proportional to 14,124.29, 19,491.88 and 7,751.16

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Solution

The fourth proportional to 14,124.29, 19,491.88 and 7,751.16 is: 10,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.29 : 19,491.88 = 7,751.16 : x
  2. Step 2: Convert to fraction form
    14,124.29/19,491.88 = 7,751.16/x
  3. Step 3: Cross multiply
    14,124.29x = 19,491.88 × 7,751.16
  4. Step 4: Simplify right side
    14,124.29x = 151,084,583.12
  5. Step 5: Solve for x
    x = 151,084,583.12/14,124.29
  6. Step 6: Final answer
    x = 10,696.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.