Home / 19,728.96-27,225.76-10,776.84

Finding the Fourth Proportional to 19,728.96, 27,225.76 and 10,776.84

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Solution

The fourth proportional to 19,728.96, 27,225.76 and 10,776.84 is: 14,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.96 : 27,225.76 = 10,776.84 : x
  2. Step 2: Convert to fraction form
    19,728.96/27,225.76 = 10,776.84/x
  3. Step 3: Cross multiply
    19,728.96x = 27,225.76 × 10,776.84
  4. Step 4: Simplify right side
    19,728.96x = 293,407,659.40
  5. Step 5: Solve for x
    x = 293,407,659.40/19,728.96
  6. Step 6: Final answer
    x = 14,871.93

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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.