Home / 14,356.49-19,821.71-10,580.09

Finding the Fourth Proportional to 14,356.49, 19,821.71 and 10,580.09

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Solution

The fourth proportional to 14,356.49, 19,821.71 and 10,580.09 is: 14,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.49 : 19,821.71 = 10,580.09 : x
  2. Step 2: Convert to fraction form
    14,356.49/19,821.71 = 10,580.09/x
  3. Step 3: Cross multiply
    14,356.49x = 19,821.71 × 10,580.09
  4. Step 4: Simplify right side
    14,356.49x = 209,715,403.10
  5. Step 5: Solve for x
    x = 209,715,403.10/14,356.49
  6. Step 6: Final answer
    x = 14,607.71

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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.