Home / 13,296.54-18,356.85-8,826.33

Finding the Fourth Proportional to 13,296.54, 18,356.85 and 8,826.33

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Solution

The fourth proportional to 13,296.54, 18,356.85 and 8,826.33 is: 12,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.54 : 18,356.85 = 8,826.33 : x
  2. Step 2: Convert to fraction form
    13,296.54/18,356.85 = 8,826.33/x
  3. Step 3: Cross multiply
    13,296.54x = 18,356.85 × 8,826.33
  4. Step 4: Simplify right side
    13,296.54x = 162,023,615.86
  5. Step 5: Solve for x
    x = 162,023,615.86/13,296.54
  6. Step 6: Final answer
    x = 12,185.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.