Home / 13,334.64-18,401.68-7,366.29

Finding the Fourth Proportional to 13,334.64, 18,401.68 and 7,366.29

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Solution

The fourth proportional to 13,334.64, 18,401.68 and 7,366.29 is: 10,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.64 : 18,401.68 = 7,366.29 : x
  2. Step 2: Convert to fraction form
    13,334.64/18,401.68 = 7,366.29/x
  3. Step 3: Cross multiply
    13,334.64x = 18,401.68 × 7,366.29
  4. Step 4: Simplify right side
    13,334.64x = 135,552,111.37
  5. Step 5: Solve for x
    x = 135,552,111.37/13,334.64
  6. Step 6: Final answer
    x = 10,165.41

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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.