Home / 13,333.77-18,391.68-8,023.05

Finding the Fourth Proportional to 13,333.77, 18,391.68 and 8,023.05

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Solution

The fourth proportional to 13,333.77, 18,391.68 and 8,023.05 is: 11,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.77 : 18,391.68 = 8,023.05 : x
  2. Step 2: Convert to fraction form
    13,333.77/18,391.68 = 8,023.05/x
  3. Step 3: Cross multiply
    13,333.77x = 18,391.68 × 8,023.05
  4. Step 4: Simplify right side
    13,333.77x = 147,557,368.22
  5. Step 5: Solve for x
    x = 147,557,368.22/13,333.77
  6. Step 6: Final answer
    x = 11,066.44

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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.