Home / 45,163.09-67,746.46-11,886.52

Finding the Fourth Proportional to 45,163.09, 67,746.46 and 11,886.52

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Solution

The fourth proportional to 45,163.09, 67,746.46 and 11,886.52 is: 17,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163.09 : 67,746.46 = 11,886.52 : x
  2. Step 2: Convert to fraction form
    45,163.09/67,746.46 = 11,886.52/x
  3. Step 3: Cross multiply
    45,163.09x = 67,746.46 × 11,886.52
  4. Step 4: Simplify right side
    45,163.09x = 805,269,651.72
  5. Step 5: Solve for x
    x = 805,269,651.72/45,163.09
  6. Step 6: Final answer
    x = 17,830.26

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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.