Home / 19,266.92-26,584.74-12,188.36

Finding the Fourth Proportional to 19,266.92, 26,584.74 and 12,188.36

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Solution

The fourth proportional to 19,266.92, 26,584.74 and 12,188.36 is: 16,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.92 : 26,584.74 = 12,188.36 : x
  2. Step 2: Convert to fraction form
    19,266.92/26,584.74 = 12,188.36/x
  3. Step 3: Cross multiply
    19,266.92x = 26,584.74 × 12,188.36
  4. Step 4: Simplify right side
    19,266.92x = 324,024,381.63
  5. Step 5: Solve for x
    x = 324,024,381.63/19,266.92
  6. Step 6: Final answer
    x = 16,817.65

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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.