Home / 13,334.10-18,402.51-7,669.14

Finding the Fourth Proportional to 13,334.10, 18,402.51 and 7,669.14

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Solution

The fourth proportional to 13,334.10, 18,402.51 and 7,669.14 is: 10,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.10 : 18,402.51 = 7,669.14 : x
  2. Step 2: Convert to fraction form
    13,334.10/18,402.51 = 7,669.14/x
  3. Step 3: Cross multiply
    13,334.10x = 18,402.51 × 7,669.14
  4. Step 4: Simplify right side
    13,334.10x = 141,131,425.54
  5. Step 5: Solve for x
    x = 141,131,425.54/13,334.10
  6. Step 6: Final answer
    x = 10,584.25

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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.