Home / 23,021.93-31,770.09-13,085.93

Finding the Fourth Proportional to 23,021.93, 31,770.09 and 13,085.93

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Solution

The fourth proportional to 23,021.93, 31,770.09 and 13,085.93 is: 18,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.93 : 31,770.09 = 13,085.93 : x
  2. Step 2: Convert to fraction form
    23,021.93/31,770.09 = 13,085.93/x
  3. Step 3: Cross multiply
    23,021.93x = 31,770.09 × 13,085.93
  4. Step 4: Simplify right side
    23,021.93x = 415,741,173.83
  5. Step 5: Solve for x
    x = 415,741,173.83/23,021.93
  6. Step 6: Final answer
    x = 18,058.48

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Double scale
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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.