Home / 13,524.85-18,664.19-7,556.52

Finding the Fourth Proportional to 13,524.85, 18,664.19 and 7,556.52

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Solution

The fourth proportional to 13,524.85, 18,664.19 and 7,556.52 is: 10,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.85 : 18,664.19 = 7,556.52 : x
  2. Step 2: Convert to fraction form
    13,524.85/18,664.19 = 7,556.52/x
  3. Step 3: Cross multiply
    13,524.85x = 18,664.19 × 7,556.52
  4. Step 4: Simplify right side
    13,524.85x = 141,036,325.02
  5. Step 5: Solve for x
    x = 141,036,325.02/13,524.85
  6. Step 6: Final answer
    x = 10,427.94

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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.