Home / 13,496.29-18,625.41-7,527.80

Finding the Fourth Proportional to 13,496.29, 18,625.41 and 7,527.80

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Solution

The fourth proportional to 13,496.29, 18,625.41 and 7,527.80 is: 10,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.29 : 18,625.41 = 7,527.80 : x
  2. Step 2: Convert to fraction form
    13,496.29/18,625.41 = 7,527.80/x
  3. Step 3: Cross multiply
    13,496.29x = 18,625.41 × 7,527.80
  4. Step 4: Simplify right side
    13,496.29x = 140,208,407.96
  5. Step 5: Solve for x
    x = 140,208,407.96/13,496.29
  6. Step 6: Final answer
    x = 10,388.66

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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.