Home / 13,584.32-18,746.04-7,534.54

Finding the Fourth Proportional to 13,584.32, 18,746.04 and 7,534.54

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Solution

The fourth proportional to 13,584.32, 18,746.04 and 7,534.54 is: 10,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.32 : 18,746.04 = 7,534.54 : x
  2. Step 2: Convert to fraction form
    13,584.32/18,746.04 = 7,534.54/x
  3. Step 3: Cross multiply
    13,584.32x = 18,746.04 × 7,534.54
  4. Step 4: Simplify right side
    13,584.32x = 141,242,694.49
  5. Step 5: Solve for x
    x = 141,242,694.49/13,584.32
  6. Step 6: Final answer
    x = 10,397.48

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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.