Home / 19,109.77-26,371.30-10,611.68

Finding the Fourth Proportional to 19,109.77, 26,371.30 and 10,611.68

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Solution

The fourth proportional to 19,109.77, 26,371.30 and 10,611.68 is: 14,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.77 : 26,371.30 = 10,611.68 : x
  2. Step 2: Convert to fraction form
    19,109.77/26,371.30 = 10,611.68/x
  3. Step 3: Cross multiply
    19,109.77x = 26,371.30 × 10,611.68
  4. Step 4: Simplify right side
    19,109.77x = 279,843,704.33
  5. Step 5: Solve for x
    x = 279,843,704.33/19,109.77
  6. Step 6: Final answer
    x = 14,644.01

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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.