Home / 13,582.27-18,723.87-9,536.77

Finding the Fourth Proportional to 13,582.27, 18,723.87 and 9,536.77

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Solution

The fourth proportional to 13,582.27, 18,723.87 and 9,536.77 is: 13,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.27 : 18,723.87 = 9,536.77 : x
  2. Step 2: Convert to fraction form
    13,582.27/18,723.87 = 9,536.77/x
  3. Step 3: Cross multiply
    13,582.27x = 18,723.87 × 9,536.77
  4. Step 4: Simplify right side
    13,582.27x = 178,565,241.70
  5. Step 5: Solve for x
    x = 178,565,241.70/13,582.27
  6. Step 6: Final answer
    x = 13,146.94

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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.