Home / 28,663.94-43,012.52-12,022.49

Finding the Fourth Proportional to 28,663.94, 43,012.52 and 12,022.49

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Solution

The fourth proportional to 28,663.94, 43,012.52 and 12,022.49 is: 18,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.94 : 43,012.52 = 12,022.49 : x
  2. Step 2: Convert to fraction form
    28,663.94/43,012.52 = 12,022.49/x
  3. Step 3: Cross multiply
    28,663.94x = 43,012.52 × 12,022.49
  4. Step 4: Simplify right side
    28,663.94x = 517,117,531.46
  5. Step 5: Solve for x
    x = 517,117,531.46/28,663.94
  6. Step 6: Final answer
    x = 18,040.70

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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.