Home / 13,828.65-19,083.72-7,541.02

Finding the Fourth Proportional to 13,828.65, 19,083.72 and 7,541.02

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Solution

The fourth proportional to 13,828.65, 19,083.72 and 7,541.02 is: 10,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.65 : 19,083.72 = 7,541.02 : x
  2. Step 2: Convert to fraction form
    13,828.65/19,083.72 = 7,541.02/x
  3. Step 3: Cross multiply
    13,828.65x = 19,083.72 × 7,541.02
  4. Step 4: Simplify right side
    13,828.65x = 143,910,714.19
  5. Step 5: Solve for x
    x = 143,910,714.19/13,828.65
  6. Step 6: Final answer
    x = 10,406.71

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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.