Home / 19,728.95-27,224.93-10,774.73

Finding the Fourth Proportional to 19,728.95, 27,224.93 and 10,774.73

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Solution

The fourth proportional to 19,728.95, 27,224.93 and 10,774.73 is: 14,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.95 : 27,224.93 = 10,774.73 : x
  2. Step 2: Convert to fraction form
    19,728.95/27,224.93 = 10,774.73/x
  3. Step 3: Cross multiply
    19,728.95x = 27,224.93 × 10,774.73
  4. Step 4: Simplify right side
    19,728.95x = 293,341,365.02
  5. Step 5: Solve for x
    x = 293,341,365.02/19,728.95
  6. Step 6: Final answer
    x = 14,868.58

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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.