Home / 23,085.27-31,853.66-13,650.39

Finding the Fourth Proportional to 23,085.27, 31,853.66 and 13,650.39

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Solution

The fourth proportional to 23,085.27, 31,853.66 and 13,650.39 is: 18,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085.27 : 31,853.66 = 13,650.39 : x
  2. Step 2: Convert to fraction form
    23,085.27/31,853.66 = 13,650.39/x
  3. Step 3: Cross multiply
    23,085.27x = 31,853.66 × 13,650.39
  4. Step 4: Simplify right side
    23,085.27x = 434,814,813.68
  5. Step 5: Solve for x
    x = 434,814,813.68/23,085.27
  6. Step 6: Final answer
    x = 18,835.16

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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.