Home / 13,524.77-18,664.27-7,556.69

Finding the Fourth Proportional to 13,524.77, 18,664.27 and 7,556.69

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Solution

The fourth proportional to 13,524.77, 18,664.27 and 7,556.69 is: 10,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.77 : 18,664.27 = 7,556.69 : x
  2. Step 2: Convert to fraction form
    13,524.77/18,664.27 = 7,556.69/x
  3. Step 3: Cross multiply
    13,524.77x = 18,664.27 × 7,556.69
  4. Step 4: Simplify right side
    13,524.77x = 141,040,009.14
  5. Step 5: Solve for x
    x = 141,040,009.14/13,524.77
  6. Step 6: Final answer
    x = 10,428.28

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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.