Home / 13,656.26-20,488.08-4,893.68

Finding the Fourth Proportional to 13,656.26, 20,488.08 and 4,893.68

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Solution

The fourth proportional to 13,656.26, 20,488.08 and 4,893.68 is: 7,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.26 : 20,488.08 = 4,893.68 : x
  2. Step 2: Convert to fraction form
    13,656.26/20,488.08 = 4,893.68/x
  3. Step 3: Cross multiply
    13,656.26x = 20,488.08 × 4,893.68
  4. Step 4: Simplify right side
    13,656.26x = 100,262,107.33
  5. Step 5: Solve for x
    x = 100,262,107.33/13,656.26
  6. Step 6: Final answer
    x = 7,341.84

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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.