Home / 19,972.16-27,562.32-11,020

Finding the Fourth Proportional to 19,972.16, 27,562.32 and 11,020

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Solution

The fourth proportional to 19,972.16, 27,562.32 and 11,020 is: 15,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.16 : 27,562.32 = 11,020 : x
  2. Step 2: Convert to fraction form
    19,972.16/27,562.32 = 11,020/x
  3. Step 3: Cross multiply
    19,972.16x = 27,562.32 × 11,020
  4. Step 4: Simplify right side
    19,972.16x = 303,736,766.40
  5. Step 5: Solve for x
    x = 303,736,766.40/19,972.16
  6. Step 6: Final answer
    x = 15,208.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.