Home / 19,217.34-26,521.70-11,665.62

Finding the Fourth Proportional to 19,217.34, 26,521.70 and 11,665.62

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Solution

The fourth proportional to 19,217.34, 26,521.70 and 11,665.62 is: 16,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.34 : 26,521.70 = 11,665.62 : x
  2. Step 2: Convert to fraction form
    19,217.34/26,521.70 = 11,665.62/x
  3. Step 3: Cross multiply
    19,217.34x = 26,521.70 × 11,665.62
  4. Step 4: Simplify right side
    19,217.34x = 309,392,015.63
  5. Step 5: Solve for x
    x = 309,392,015.63/19,217.34
  6. Step 6: Final answer
    x = 16,099.63

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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.