Home / 13,101.24-19,622.34-7,541.40

Finding the Fourth Proportional to 13,101.24, 19,622.34 and 7,541.40

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Solution

The fourth proportional to 13,101.24, 19,622.34 and 7,541.40 is: 11,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.24 : 19,622.34 = 7,541.40 : x
  2. Step 2: Convert to fraction form
    13,101.24/19,622.34 = 7,541.40/x
  3. Step 3: Cross multiply
    13,101.24x = 19,622.34 × 7,541.40
  4. Step 4: Simplify right side
    13,101.24x = 147,979,914.88
  5. Step 5: Solve for x
    x = 147,979,914.88/13,101.24
  6. Step 6: Final answer
    x = 11,295.11

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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.