Home / 13,351.15-18,424.98-7,301.75

Finding the Fourth Proportional to 13,351.15, 18,424.98 and 7,301.75

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Solution

The fourth proportional to 13,351.15, 18,424.98 and 7,301.75 is: 10,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.15 : 18,424.98 = 7,301.75 : x
  2. Step 2: Convert to fraction form
    13,351.15/18,424.98 = 7,301.75/x
  3. Step 3: Cross multiply
    13,351.15x = 18,424.98 × 7,301.75
  4. Step 4: Simplify right side
    13,351.15x = 134,534,597.72
  5. Step 5: Solve for x
    x = 134,534,597.72/13,351.15
  6. Step 6: Final answer
    x = 10,076.63

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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.