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Finding the Fourth Proportional to 19,085.01, 26,357.88 and 14,885.97

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Solution

The fourth proportional to 19,085.01, 26,357.88 and 14,885.97 is: 20,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.01 : 26,357.88 = 14,885.97 : x
  2. Step 2: Convert to fraction form
    19,085.01/26,357.88 = 14,885.97/x
  3. Step 3: Cross multiply
    19,085.01x = 26,357.88 × 14,885.97
  4. Step 4: Simplify right side
    19,085.01x = 392,362,610.94
  5. Step 5: Solve for x
    x = 392,362,610.94/19,085.01
  6. Step 6: Final answer
    x = 20,558.68

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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.