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Finding the Fourth Proportional to 18,859, 26,025.44 and 10,476.28

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Solution

The fourth proportional to 18,859, 26,025.44 and 10,476.28 is: 14,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859 : 26,025.44 = 10,476.28 : x
  2. Step 2: Convert to fraction form
    18,859/26,025.44 = 10,476.28/x
  3. Step 3: Cross multiply
    18,859x = 26,025.44 × 10,476.28
  4. Step 4: Simplify right side
    18,859x = 272,649,796.56
  5. Step 5: Solve for x
    x = 272,649,796.56/18,859
  6. Step 6: Final answer
    x = 14,457.28

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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.