Home / 13,106.24-19,629.84-7,546.40

Finding the Fourth Proportional to 13,106.24, 19,629.84 and 7,546.40

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Solution

The fourth proportional to 13,106.24, 19,629.84 and 7,546.40 is: 11,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.24 : 19,629.84 = 7,546.40 : x
  2. Step 2: Convert to fraction form
    13,106.24/19,629.84 = 7,546.40/x
  3. Step 3: Cross multiply
    13,106.24x = 19,629.84 × 7,546.40
  4. Step 4: Simplify right side
    13,106.24x = 148,134,624.58
  5. Step 5: Solve for x
    x = 148,134,624.58/13,106.24
  6. Step 6: Final answer
    x = 11,302.60

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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.