Home / 20,033.07-27,645.50-11,970.41

Finding the Fourth Proportional to 20,033.07, 27,645.50 and 11,970.41

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Solution

The fourth proportional to 20,033.07, 27,645.50 and 11,970.41 is: 16,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.07 : 27,645.50 = 11,970.41 : x
  2. Step 2: Convert to fraction form
    20,033.07/27,645.50 = 11,970.41/x
  3. Step 3: Cross multiply
    20,033.07x = 27,645.50 × 11,970.41
  4. Step 4: Simplify right side
    20,033.07x = 330,927,939.11
  5. Step 5: Solve for x
    x = 330,927,939.11/20,033.07
  6. Step 6: Final answer
    x = 16,519.08

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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.