Home / 13,827.60-19,082.04-7,539.97

Finding the Fourth Proportional to 13,827.60, 19,082.04 and 7,539.97

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Solution

The fourth proportional to 13,827.60, 19,082.04 and 7,539.97 is: 10,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.60 : 19,082.04 = 7,539.97 : x
  2. Step 2: Convert to fraction form
    13,827.60/19,082.04 = 7,539.97/x
  3. Step 3: Cross multiply
    13,827.60x = 19,082.04 × 7,539.97
  4. Step 4: Simplify right side
    13,827.60x = 143,878,009.14
  5. Step 5: Solve for x
    x = 143,878,009.14/13,827.60
  6. Step 6: Final answer
    x = 10,405.13

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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.