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Finding the Fourth Proportional to 22,173, 30,598.74 and 12,237

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Solution

The fourth proportional to 22,173, 30,598.74 and 12,237 is: 16,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,173 : 30,598.74 = 12,237 : x
  2. Step 2: Convert to fraction form
    22,173/30,598.74 = 12,237/x
  3. Step 3: Cross multiply
    22,173x = 30,598.74 × 12,237
  4. Step 4: Simplify right side
    22,173x = 374,436,781.38
  5. Step 5: Solve for x
    x = 374,436,781.38/22,173
  6. Step 6: Final answer
    x = 16,887.06

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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.