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Finding the Fourth Proportional to 18,956.50, 26,159.97 and 10,573

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Solution

The fourth proportional to 18,956.50, 26,159.97 and 10,573 is: 14,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.50 : 26,159.97 = 10,573 : x
  2. Step 2: Convert to fraction form
    18,956.50/26,159.97 = 10,573/x
  3. Step 3: Cross multiply
    18,956.50x = 26,159.97 × 10,573
  4. Step 4: Simplify right side
    18,956.50x = 276,589,362.81
  5. Step 5: Solve for x
    x = 276,589,362.81/18,956.50
  6. Step 6: Final answer
    x = 14,590.74

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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.