Home / 13,524.45-18,663.66-7,556.13

Finding the Fourth Proportional to 13,524.45, 18,663.66 and 7,556.13

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Solution

The fourth proportional to 13,524.45, 18,663.66 and 7,556.13 is: 10,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.45 : 18,663.66 = 7,556.13 : x
  2. Step 2: Convert to fraction form
    13,524.45/18,663.66 = 7,556.13/x
  3. Step 3: Cross multiply
    13,524.45x = 18,663.66 × 7,556.13
  4. Step 4: Simplify right side
    13,524.45x = 141,025,041.24
  5. Step 5: Solve for x
    x = 141,025,041.24/13,524.45
  6. Step 6: Final answer
    x = 10,427.41

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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.