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Finding the Fourth Proportional to 19,157.94, 26,437.55 and 10,659.90

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Solution

The fourth proportional to 19,157.94, 26,437.55 and 10,659.90 is: 14,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.94 : 26,437.55 = 10,659.90 : x
  2. Step 2: Convert to fraction form
    19,157.94/26,437.55 = 10,659.90/x
  3. Step 3: Cross multiply
    19,157.94x = 26,437.55 × 10,659.90
  4. Step 4: Simplify right side
    19,157.94x = 281,821,585.95
  5. Step 5: Solve for x
    x = 281,821,585.95/19,157.94
  6. Step 6: Final answer
    x = 14,710.43

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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.