Home / 14,579.96-21,858.12-5,806.40

Finding the Fourth Proportional to 14,579.96, 21,858.12 and 5,806.40

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Solution

The fourth proportional to 14,579.96, 21,858.12 and 5,806.40 is: 8,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.96 : 21,858.12 = 5,806.40 : x
  2. Step 2: Convert to fraction form
    14,579.96/21,858.12 = 5,806.40/x
  3. Step 3: Cross multiply
    14,579.96x = 21,858.12 × 5,806.40
  4. Step 4: Simplify right side
    14,579.96x = 126,916,987.97
  5. Step 5: Solve for x
    x = 126,916,987.97/14,579.96
  6. Step 6: Final answer
    x = 8,704.89

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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.