Home / 14,384.49-21,570.54-5,021.70

Finding the Fourth Proportional to 14,384.49, 21,570.54 and 5,021.70

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Solution

The fourth proportional to 14,384.49, 21,570.54 and 5,021.70 is: 7,530.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384.49 : 21,570.54 = 5,021.70 : x
  2. Step 2: Convert to fraction form
    14,384.49/21,570.54 = 5,021.70/x
  3. Step 3: Cross multiply
    14,384.49x = 21,570.54 × 5,021.70
  4. Step 4: Simplify right side
    14,384.49x = 108,320,780.72
  5. Step 5: Solve for x
    x = 108,320,780.72/14,384.49
  6. Step 6: Final answer
    x = 7,530.39

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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.