Home / 13,904.52-19,188.09-7,531.02

Finding the Fourth Proportional to 13,904.52, 19,188.09 and 7,531.02

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Solution

The fourth proportional to 13,904.52, 19,188.09 and 7,531.02 is: 10,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.52 : 19,188.09 = 7,531.02 : x
  2. Step 2: Convert to fraction form
    13,904.52/19,188.09 = 7,531.02/x
  3. Step 3: Cross multiply
    13,904.52x = 19,188.09 × 7,531.02
  4. Step 4: Simplify right side
    13,904.52x = 144,505,889.55
  5. Step 5: Solve for x
    x = 144,505,889.55/13,904.52
  6. Step 6: Final answer
    x = 10,392.73

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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.