Home / 13,292.66-18,342.17-7,627.64

Finding the Fourth Proportional to 13,292.66, 18,342.17 and 7,627.64

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Solution

The fourth proportional to 13,292.66, 18,342.17 and 7,627.64 is: 10,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.66 : 18,342.17 = 7,627.64 : x
  2. Step 2: Convert to fraction form
    13,292.66/18,342.17 = 7,627.64/x
  3. Step 3: Cross multiply
    13,292.66x = 18,342.17 × 7,627.64
  4. Step 4: Simplify right side
    13,292.66x = 139,907,544.55
  5. Step 5: Solve for x
    x = 139,907,544.55/13,292.66
  6. Step 6: Final answer
    x = 10,525.18

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1.5x scale

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.