Home / 19,769.81-27,284.85-11,274.93

Finding the Fourth Proportional to 19,769.81, 27,284.85 and 11,274.93

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Solution

The fourth proportional to 19,769.81, 27,284.85 and 11,274.93 is: 15,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.81 : 27,284.85 = 11,274.93 : x
  2. Step 2: Convert to fraction form
    19,769.81/27,284.85 = 11,274.93/x
  3. Step 3: Cross multiply
    19,769.81x = 27,284.85 × 11,274.93
  4. Step 4: Simplify right side
    19,769.81x = 307,634,773.81
  5. Step 5: Solve for x
    x = 307,634,773.81/19,769.81
  6. Step 6: Final answer
    x = 15,560.84

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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.