Home / 13,173.40-19,753.50-5,774.60

Finding the Fourth Proportional to 13,173.40, 19,753.50 and 5,774.60

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Solution

The fourth proportional to 13,173.40, 19,753.50 and 5,774.60 is: 8,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.40 : 19,753.50 = 5,774.60 : x
  2. Step 2: Convert to fraction form
    13,173.40/19,753.50 = 5,774.60/x
  3. Step 3: Cross multiply
    13,173.40x = 19,753.50 × 5,774.60
  4. Step 4: Simplify right side
    13,173.40x = 114,068,561.10
  5. Step 5: Solve for x
    x = 114,068,561.10/13,173.40
  6. Step 6: Final answer
    x = 8,659.01

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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.