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Finding the Fourth Proportional to 19,235.68, 26,539.45 and 18,601.45

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Solution

The fourth proportional to 19,235.68, 26,539.45 and 18,601.45 is: 25,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.68 : 26,539.45 = 18,601.45 : x
  2. Step 2: Convert to fraction form
    19,235.68/26,539.45 = 18,601.45/x
  3. Step 3: Cross multiply
    19,235.68x = 26,539.45 × 18,601.45
  4. Step 4: Simplify right side
    19,235.68x = 493,672,139.35
  5. Step 5: Solve for x
    x = 493,672,139.35/19,235.68
  6. Step 6: Final answer
    x = 25,664.40

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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.