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Finding the Fourth Proportional to 19,141.56, 26,415.60 and 10,758

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Solution

The fourth proportional to 19,141.56, 26,415.60 and 10,758 is: 14,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.56 : 26,415.60 = 10,758 : x
  2. Step 2: Convert to fraction form
    19,141.56/26,415.60 = 10,758/x
  3. Step 3: Cross multiply
    19,141.56x = 26,415.60 × 10,758
  4. Step 4: Simplify right side
    19,141.56x = 284,179,024.80
  5. Step 5: Solve for x
    x = 284,179,024.80/19,141.56
  6. Step 6: Final answer
    x = 14,846.18

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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.