Home / 13,281.35-19,908.09-4,958.01

Finding the Fourth Proportional to 13,281.35, 19,908.09 and 4,958.01

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Solution

The fourth proportional to 13,281.35, 19,908.09 and 4,958.01 is: 7,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.35 : 19,908.09 = 4,958.01 : x
  2. Step 2: Convert to fraction form
    13,281.35/19,908.09 = 4,958.01/x
  3. Step 3: Cross multiply
    13,281.35x = 19,908.09 × 4,958.01
  4. Step 4: Simplify right side
    13,281.35x = 98,704,509.30
  5. Step 5: Solve for x
    x = 98,704,509.30/13,281.35
  6. Step 6: Final answer
    x = 7,431.82

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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.