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Finding the Fourth Proportional to 18,094.87, 24,970.93 and 11,021.30

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Solution

The fourth proportional to 18,094.87, 24,970.93 and 11,021.30 is: 15,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.87 : 24,970.93 = 11,021.30 : x
  2. Step 2: Convert to fraction form
    18,094.87/24,970.93 = 11,021.30/x
  3. Step 3: Cross multiply
    18,094.87x = 24,970.93 × 11,021.30
  4. Step 4: Simplify right side
    18,094.87x = 275,212,110.81
  5. Step 5: Solve for x
    x = 275,212,110.81/18,094.87
  6. Step 6: Final answer
    x = 15,209.40

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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.