Home / 13,301.88-18,357.21-7,333.62

Finding the Fourth Proportional to 13,301.88, 18,357.21 and 7,333.62

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Solution

The fourth proportional to 13,301.88, 18,357.21 and 7,333.62 is: 10,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.88 : 18,357.21 = 7,333.62 : x
  2. Step 2: Convert to fraction form
    13,301.88/18,357.21 = 7,333.62/x
  3. Step 3: Cross multiply
    13,301.88x = 18,357.21 × 7,333.62
  4. Step 4: Simplify right side
    13,301.88x = 134,624,802.40
  5. Step 5: Solve for x
    x = 134,624,802.40/13,301.88
  6. Step 6: Final answer
    x = 10,120.73

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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.