Home / 13,064.20-19,561.50-8,912.32

Finding the Fourth Proportional to 13,064.20, 19,561.50 and 8,912.32

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Solution

The fourth proportional to 13,064.20, 19,561.50 and 8,912.32 is: 13,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.20 : 19,561.50 = 8,912.32 : x
  2. Step 2: Convert to fraction form
    13,064.20/19,561.50 = 8,912.32/x
  3. Step 3: Cross multiply
    13,064.20x = 19,561.50 × 8,912.32
  4. Step 4: Simplify right side
    13,064.20x = 174,338,347.68
  5. Step 5: Solve for x
    x = 174,338,347.68/13,064.20
  6. Step 6: Final answer
    x = 13,344.74

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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.