Home / 18,971.91-26,181.20-10,588.41

Finding the Fourth Proportional to 18,971.91, 26,181.20 and 10,588.41

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Solution

The fourth proportional to 18,971.91, 26,181.20 and 10,588.41 is: 14,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971.91 : 26,181.20 = 10,588.41 : x
  2. Step 2: Convert to fraction form
    18,971.91/26,181.20 = 10,588.41/x
  3. Step 3: Cross multiply
    18,971.91x = 26,181.20 × 10,588.41
  4. Step 4: Simplify right side
    18,971.91x = 277,217,226.95
  5. Step 5: Solve for x
    x = 277,217,226.95/18,971.91
  6. Step 6: Final answer
    x = 14,611.98

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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.