Home / 19,727.09-27,222.60-10,774.59

Finding the Fourth Proportional to 19,727.09, 27,222.60 and 10,774.59

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Solution

The fourth proportional to 19,727.09, 27,222.60 and 10,774.59 is: 14,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.09 : 27,222.60 = 10,774.59 : x
  2. Step 2: Convert to fraction form
    19,727.09/27,222.60 = 10,774.59/x
  3. Step 3: Cross multiply
    19,727.09x = 27,222.60 × 10,774.59
  4. Step 4: Simplify right side
    19,727.09x = 293,312,353.73
  5. Step 5: Solve for x
    x = 293,312,353.73/19,727.09
  6. Step 6: Final answer
    x = 14,868.51

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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.