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Finding the Fourth Proportional to 19,191.50, 26,486.22 and 10,695.00

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Solution

The fourth proportional to 19,191.50, 26,486.22 and 10,695.00 is: 14,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.50 : 26,486.22 = 10,695.00 : x
  2. Step 2: Convert to fraction form
    19,191.50/26,486.22 = 10,695.00/x
  3. Step 3: Cross multiply
    19,191.50x = 26,486.22 × 10,695.00
  4. Step 4: Simplify right side
    19,191.50x = 283,270,182.12
  5. Step 5: Solve for x
    x = 283,270,182.12/19,191.50
  6. Step 6: Final answer
    x = 14,760.19

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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.