Home / 13,871.08-19,142.11-7,583.46

Finding the Fourth Proportional to 13,871.08, 19,142.11 and 7,583.46

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Solution

The fourth proportional to 13,871.08, 19,142.11 and 7,583.46 is: 10,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.08 : 19,142.11 = 7,583.46 : x
  2. Step 2: Convert to fraction form
    13,871.08/19,142.11 = 7,583.46/x
  3. Step 3: Cross multiply
    13,871.08x = 19,142.11 × 7,583.46
  4. Step 4: Simplify right side
    13,871.08x = 145,163,425.50
  5. Step 5: Solve for x
    x = 145,163,425.50/13,871.08
  6. Step 6: Final answer
    x = 10,465.19

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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.