Home / 13,301.91-18,356.76-7,333.79

Finding the Fourth Proportional to 13,301.91, 18,356.76 and 7,333.79

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Solution

The fourth proportional to 13,301.91, 18,356.76 and 7,333.79 is: 10,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.91 : 18,356.76 = 7,333.79 : x
  2. Step 2: Convert to fraction form
    13,301.91/18,356.76 = 7,333.79/x
  3. Step 3: Cross multiply
    13,301.91x = 18,356.76 × 7,333.79
  4. Step 4: Simplify right side
    13,301.91x = 134,624,622.92
  5. Step 5: Solve for x
    x = 134,624,622.92/13,301.91
  6. Step 6: Final answer
    x = 10,120.70

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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.