Home / 13,275.36-19,893.60-8,068.68

Finding the Fourth Proportional to 13,275.36, 19,893.60 and 8,068.68

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Solution

The fourth proportional to 13,275.36, 19,893.60 and 8,068.68 is: 12,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.36 : 19,893.60 = 8,068.68 : x
  2. Step 2: Convert to fraction form
    13,275.36/19,893.60 = 8,068.68/x
  3. Step 3: Cross multiply
    13,275.36x = 19,893.60 × 8,068.68
  4. Step 4: Simplify right side
    13,275.36x = 160,515,092.45
  5. Step 5: Solve for x
    x = 160,515,092.45/13,275.36
  6. Step 6: Final answer
    x = 12,091.20

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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.