Home / 13,224.36-18,246.30-8,514.84

Finding the Fourth Proportional to 13,224.36, 18,246.30 and 8,514.84

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Solution

The fourth proportional to 13,224.36, 18,246.30 and 8,514.84 is: 11,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.36 : 18,246.30 = 8,514.84 : x
  2. Step 2: Convert to fraction form
    13,224.36/18,246.30 = 8,514.84/x
  3. Step 3: Cross multiply
    13,224.36x = 18,246.30 × 8,514.84
  4. Step 4: Simplify right side
    13,224.36x = 155,364,325.09
  5. Step 5: Solve for x
    x = 155,364,325.09/13,224.36
  6. Step 6: Final answer
    x = 11,748.34

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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.