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Finding the Fourth Proportional to 18,595.89, 25,662.51 and 10,212.39

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Solution

The fourth proportional to 18,595.89, 25,662.51 and 10,212.39 is: 14,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.89 : 25,662.51 = 10,212.39 : x
  2. Step 2: Convert to fraction form
    18,595.89/25,662.51 = 10,212.39/x
  3. Step 3: Cross multiply
    18,595.89x = 25,662.51 × 10,212.39
  4. Step 4: Simplify right side
    18,595.89x = 262,075,560.50
  5. Step 5: Solve for x
    x = 262,075,560.50/18,595.89
  6. Step 6: Final answer
    x = 14,093.20

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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.