Home / 14,069.10-21,103.68-5,749.11

Finding the Fourth Proportional to 14,069.10, 21,103.68 and 5,749.11

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Solution

The fourth proportional to 14,069.10, 21,103.68 and 5,749.11 is: 8,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.10 : 21,103.68 = 5,749.11 : x
  2. Step 2: Convert to fraction form
    14,069.10/21,103.68 = 5,749.11/x
  3. Step 3: Cross multiply
    14,069.10x = 21,103.68 × 5,749.11
  4. Step 4: Simplify right side
    14,069.10x = 121,327,381.12
  5. Step 5: Solve for x
    x = 121,327,381.12/14,069.10
  6. Step 6: Final answer
    x = 8,623.68

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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.