Home / 13,744.32-18,967.26-7,456.68

Finding the Fourth Proportional to 13,744.32, 18,967.26 and 7,456.68

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Solution

The fourth proportional to 13,744.32, 18,967.26 and 7,456.68 is: 10,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.32 : 18,967.26 = 7,456.68 : x
  2. Step 2: Convert to fraction form
    13,744.32/18,967.26 = 7,456.68/x
  3. Step 3: Cross multiply
    13,744.32x = 18,967.26 × 7,456.68
  4. Step 4: Simplify right side
    13,744.32x = 141,432,788.30
  5. Step 5: Solve for x
    x = 141,432,788.30/13,744.32
  6. Step 6: Final answer
    x = 10,290.27

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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.