Home / 19,163.63-28,559.77-18,167.18

Finding the Fourth Proportional to 19,163.63, 28,559.77 and 18,167.18

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Solution

The fourth proportional to 19,163.63, 28,559.77 and 18,167.18 is: 27,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.63 : 28,559.77 = 18,167.18 : x
  2. Step 2: Convert to fraction form
    19,163.63/28,559.77 = 18,167.18/x
  3. Step 3: Cross multiply
    19,163.63x = 28,559.77 × 18,167.18
  4. Step 4: Simplify right side
    19,163.63x = 518,850,294.13
  5. Step 5: Solve for x
    x = 518,850,294.13/19,163.63
  6. Step 6: Final answer
    x = 27,074.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.