Home / 19,224.14-28,816.49-7,374.71

Finding the Fourth Proportional to 19,224.14, 28,816.49 and 7,374.71

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Solution

The fourth proportional to 19,224.14, 28,816.49 and 7,374.71 is: 11,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,224.14 : 28,816.49 = 7,374.71 : x
  2. Step 2: Convert to fraction form
    19,224.14/28,816.49 = 7,374.71/x
  3. Step 3: Cross multiply
    19,224.14x = 28,816.49 × 7,374.71
  4. Step 4: Simplify right side
    19,224.14x = 212,513,347.45
  5. Step 5: Solve for x
    x = 212,513,347.45/19,224.14
  6. Step 6: Final answer
    x = 11,054.51

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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.