Home / 13,292.97-18,343.63-7,323.67

Finding the Fourth Proportional to 13,292.97, 18,343.63 and 7,323.67

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Solution

The fourth proportional to 13,292.97, 18,343.63 and 7,323.67 is: 10,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.97 : 18,343.63 = 7,323.67 : x
  2. Step 2: Convert to fraction form
    13,292.97/18,343.63 = 7,323.67/x
  3. Step 3: Cross multiply
    13,292.97x = 18,343.63 × 7,323.67
  4. Step 4: Simplify right side
    13,292.97x = 134,342,724.81
  5. Step 5: Solve for x
    x = 134,342,724.81/13,292.97
  6. Step 6: Final answer
    x = 10,106.30

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Double scale
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Similar ratio
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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.