Home / 23,010.40-31,743.12-14,629.60

Finding the Fourth Proportional to 23,010.40, 31,743.12 and 14,629.60

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Solution

The fourth proportional to 23,010.40, 31,743.12 and 14,629.60 is: 20,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,010.40 : 31,743.12 = 14,629.60 : x
  2. Step 2: Convert to fraction form
    23,010.40/31,743.12 = 14,629.60/x
  3. Step 3: Cross multiply
    23,010.40x = 31,743.12 × 14,629.60
  4. Step 4: Simplify right side
    23,010.40x = 464,389,148.35
  5. Step 5: Solve for x
    x = 464,389,148.35/23,010.40
  6. Step 6: Final answer
    x = 20,181.71

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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.