Home / 13,292.06-18,343.26-7,323.68

Finding the Fourth Proportional to 13,292.06, 18,343.26 and 7,323.68

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Solution

The fourth proportional to 13,292.06, 18,343.26 and 7,323.68 is: 10,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.06 : 18,343.26 = 7,323.68 : x
  2. Step 2: Convert to fraction form
    13,292.06/18,343.26 = 7,323.68/x
  3. Step 3: Cross multiply
    13,292.06x = 18,343.26 × 7,323.68
  4. Step 4: Simplify right side
    13,292.06x = 134,340,074.68
  5. Step 5: Solve for x
    x = 134,340,074.68/13,292.06
  6. Step 6: Final answer
    x = 10,106.79

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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.