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Finding the Fourth Proportional to 18,256.44, 25,187.76 and 14,893.44

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Solution

The fourth proportional to 18,256.44, 25,187.76 and 14,893.44 is: 20,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.44 : 25,187.76 = 14,893.44 : x
  2. Step 2: Convert to fraction form
    18,256.44/25,187.76 = 14,893.44/x
  3. Step 3: Cross multiply
    18,256.44x = 25,187.76 × 14,893.44
  4. Step 4: Simplify right side
    18,256.44x = 375,132,392.29
  5. Step 5: Solve for x
    x = 375,132,392.29/18,256.44
  6. Step 6: Final answer
    x = 20,547.95

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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.