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Finding the Fourth Proportional to 14,409.46, 19,885.15 and 8,036.46

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Solution

The fourth proportional to 14,409.46, 19,885.15 and 8,036.46 is: 11,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.46 : 19,885.15 = 8,036.46 : x
  2. Step 2: Convert to fraction form
    14,409.46/19,885.15 = 8,036.46/x
  3. Step 3: Cross multiply
    14,409.46x = 19,885.15 × 8,036.46
  4. Step 4: Simplify right side
    14,409.46x = 159,806,212.57
  5. Step 5: Solve for x
    x = 159,806,212.57/14,409.46
  6. Step 6: Final answer
    x = 11,090.37

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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.