Home / 23,191.83-31,992.75-14,679.54

Finding the Fourth Proportional to 23,191.83, 31,992.75 and 14,679.54

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Solution

The fourth proportional to 23,191.83, 31,992.75 and 14,679.54 is: 20,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,191.83 : 31,992.75 = 14,679.54 : x
  2. Step 2: Convert to fraction form
    23,191.83/31,992.75 = 14,679.54/x
  3. Step 3: Cross multiply
    23,191.83x = 31,992.75 × 14,679.54
  4. Step 4: Simplify right side
    23,191.83x = 469,638,853.34
  5. Step 5: Solve for x
    x = 469,638,853.34/23,191.83
  6. Step 6: Final answer
    x = 20,250.19

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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.