Home / 21,586.84-29,789.74-12,026.83

Finding the Fourth Proportional to 21,586.84, 29,789.74 and 12,026.83

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Solution

The fourth proportional to 21,586.84, 29,789.74 and 12,026.83 is: 16,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.84 : 29,789.74 = 12,026.83 : x
  2. Step 2: Convert to fraction form
    21,586.84/29,789.74 = 12,026.83/x
  3. Step 3: Cross multiply
    21,586.84x = 29,789.74 × 12,026.83
  4. Step 4: Simplify right side
    21,586.84x = 358,276,138.72
  5. Step 5: Solve for x
    x = 358,276,138.72/21,586.84
  6. Step 6: Final answer
    x = 16,596.97

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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.