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Finding the Fourth Proportional to 18,952, 26,153.76 and 10,568.32

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Solution

The fourth proportional to 18,952, 26,153.76 and 10,568.32 is: 14,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952 : 26,153.76 = 10,568.32 : x
  2. Step 2: Convert to fraction form
    18,952/26,153.76 = 10,568.32/x
  3. Step 3: Cross multiply
    18,952x = 26,153.76 × 10,568.32
  4. Step 4: Simplify right side
    18,952x = 276,401,304.88
  5. Step 5: Solve for x
    x = 276,401,304.88/18,952
  6. Step 6: Final answer
    x = 14,584.28

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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.