Home / 14,291.83-21,408.58-7,351.75

Finding the Fourth Proportional to 14,291.83, 21,408.58 and 7,351.75

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Solution

The fourth proportional to 14,291.83, 21,408.58 and 7,351.75 is: 11,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.83 : 21,408.58 = 7,351.75 : x
  2. Step 2: Convert to fraction form
    14,291.83/21,408.58 = 7,351.75/x
  3. Step 3: Cross multiply
    14,291.83x = 21,408.58 × 7,351.75
  4. Step 4: Simplify right side
    14,291.83x = 157,390,528.02
  5. Step 5: Solve for x
    x = 157,390,528.02/14,291.83
  6. Step 6: Final answer
    x = 11,012.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.