Home / 13,314.07-18,373.43-7,346.09

Finding the Fourth Proportional to 13,314.07, 18,373.43 and 7,346.09

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Solution

The fourth proportional to 13,314.07, 18,373.43 and 7,346.09 is: 10,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.07 : 18,373.43 = 7,346.09 : x
  2. Step 2: Convert to fraction form
    13,314.07/18,373.43 = 7,346.09/x
  3. Step 3: Cross multiply
    13,314.07x = 18,373.43 × 7,346.09
  4. Step 4: Simplify right side
    13,314.07x = 134,972,934.69
  5. Step 5: Solve for x
    x = 134,972,934.69/13,314.07
  6. Step 6: Final answer
    x = 10,137.62

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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.