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Finding the Fourth Proportional to 18,531.19, 25,573.06 and 10,033.32

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Solution

The fourth proportional to 18,531.19, 25,573.06 and 10,033.32 is: 13,845.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.19 : 25,573.06 = 10,033.32 : x
  2. Step 2: Convert to fraction form
    18,531.19/25,573.06 = 10,033.32/x
  3. Step 3: Cross multiply
    18,531.19x = 25,573.06 × 10,033.32
  4. Step 4: Simplify right side
    18,531.19x = 256,582,694.36
  5. Step 5: Solve for x
    x = 256,582,694.36/18,531.19
  6. Step 6: Final answer
    x = 13,845.99

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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.