Home / 12,901.80-19,352.73-3,541.95

Finding the Fourth Proportional to 12,901.80, 19,352.73 and 3,541.95

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Solution

The fourth proportional to 12,901.80, 19,352.73 and 3,541.95 is: 5,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.80 : 19,352.73 = 3,541.95 : x
  2. Step 2: Convert to fraction form
    12,901.80/19,352.73 = 3,541.95/x
  3. Step 3: Cross multiply
    12,901.80x = 19,352.73 × 3,541.95
  4. Step 4: Simplify right side
    12,901.80x = 68,546,316.23
  5. Step 5: Solve for x
    x = 68,546,316.23/12,901.80
  6. Step 6: Final answer
    x = 5,312.93

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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.