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Finding the Fourth Proportional to 19,219.56, 26,525.56 and 11,264.96

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Solution

The fourth proportional to 19,219.56, 26,525.56 and 11,264.96 is: 15,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.56 : 26,525.56 = 11,264.96 : x
  2. Step 2: Convert to fraction form
    19,219.56/26,525.56 = 11,264.96/x
  3. Step 3: Cross multiply
    19,219.56x = 26,525.56 × 11,264.96
  4. Step 4: Simplify right side
    19,219.56x = 298,809,372.38
  5. Step 5: Solve for x
    x = 298,809,372.38/19,219.56
  6. Step 6: Final answer
    x = 15,547.15

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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.