Home / 12,901.61-19,352.31-3,541.59

Finding the Fourth Proportional to 12,901.61, 19,352.31 and 3,541.59

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Solution

The fourth proportional to 12,901.61, 19,352.31 and 3,541.59 is: 5,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.61 : 19,352.31 = 3,541.59 : x
  2. Step 2: Convert to fraction form
    12,901.61/19,352.31 = 3,541.59/x
  3. Step 3: Cross multiply
    12,901.61x = 19,352.31 × 3,541.59
  4. Step 4: Simplify right side
    12,901.61x = 68,537,944.25
  5. Step 5: Solve for x
    x = 68,537,944.25/12,901.61
  6. Step 6: Final answer
    x = 5,312.36

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1.5x scale

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.