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Finding the Fourth Proportional to 19,354.63, 26,710.44 and 10,859.44

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Solution

The fourth proportional to 19,354.63, 26,710.44 and 10,859.44 is: 14,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.63 : 26,710.44 = 10,859.44 : x
  2. Step 2: Convert to fraction form
    19,354.63/26,710.44 = 10,859.44/x
  3. Step 3: Cross multiply
    19,354.63x = 26,710.44 × 10,859.44
  4. Step 4: Simplify right side
    19,354.63x = 290,060,420.55
  5. Step 5: Solve for x
    x = 290,060,420.55/19,354.63
  6. Step 6: Final answer
    x = 14,986.62

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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.