Home / 13,301.49-18,355.69-7,333.16

Finding the Fourth Proportional to 13,301.49, 18,355.69 and 7,333.16

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Solution

The fourth proportional to 13,301.49, 18,355.69 and 7,333.16 is: 10,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.49 : 18,355.69 = 7,333.16 : x
  2. Step 2: Convert to fraction form
    13,301.49/18,355.69 = 7,333.16/x
  3. Step 3: Cross multiply
    13,301.49x = 18,355.69 × 7,333.16
  4. Step 4: Simplify right side
    13,301.49x = 134,605,211.68
  5. Step 5: Solve for x
    x = 134,605,211.68/13,301.49
  6. Step 6: Final answer
    x = 10,119.56

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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.