Home / 13,295.45-18,348.53-7,327.67

Finding the Fourth Proportional to 13,295.45, 18,348.53 and 7,327.67

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Solution

The fourth proportional to 13,295.45, 18,348.53 and 7,327.67 is: 10,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.45 : 18,348.53 = 7,327.67 : x
  2. Step 2: Convert to fraction form
    13,295.45/18,348.53 = 7,327.67/x
  3. Step 3: Cross multiply
    13,295.45x = 18,348.53 × 7,327.67
  4. Step 4: Simplify right side
    13,295.45x = 134,451,936.19
  5. Step 5: Solve for x
    x = 134,451,936.19/13,295.45
  6. Step 6: Final answer
    x = 10,112.63

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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.