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Finding the Fourth Proportional to 17,406.45, 26,123.76 and 9,914.76

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Solution

The fourth proportional to 17,406.45, 26,123.76 and 9,914.76 is: 14,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,406.45 : 26,123.76 = 9,914.76 : x
  2. Step 2: Convert to fraction form
    17,406.45/26,123.76 = 9,914.76/x
  3. Step 3: Cross multiply
    17,406.45x = 26,123.76 × 9,914.76
  4. Step 4: Simplify right side
    17,406.45x = 259,010,810.70
  5. Step 5: Solve for x
    x = 259,010,810.70/17,406.45
  6. Step 6: Final answer
    x = 14,880.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.