Home / 13,873.48-19,145.28-7,585.90

Finding the Fourth Proportional to 13,873.48, 19,145.28 and 7,585.90

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Solution

The fourth proportional to 13,873.48, 19,145.28 and 7,585.90 is: 10,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.48 : 19,145.28 = 7,585.90 : x
  2. Step 2: Convert to fraction form
    13,873.48/19,145.28 = 7,585.90/x
  3. Step 3: Cross multiply
    13,873.48x = 19,145.28 × 7,585.90
  4. Step 4: Simplify right side
    13,873.48x = 145,234,179.55
  5. Step 5: Solve for x
    x = 145,234,179.55/13,873.48
  6. Step 6: Final answer
    x = 10,468.48

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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.