Home / 19,981.08-29,973.24-13,041

Finding the Fourth Proportional to 19,981.08, 29,973.24 and 13,041

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Solution

The fourth proportional to 19,981.08, 29,973.24 and 13,041 is: 19,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.08 : 29,973.24 = 13,041 : x
  2. Step 2: Convert to fraction form
    19,981.08/29,973.24 = 13,041/x
  3. Step 3: Cross multiply
    19,981.08x = 29,973.24 × 13,041
  4. Step 4: Simplify right side
    19,981.08x = 390,881,022.84
  5. Step 5: Solve for x
    x = 390,881,022.84/19,981.08
  6. Step 6: Final answer
    x = 19,562.56

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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.