Home / 19,719.84-27,213.22-10,767.34

Finding the Fourth Proportional to 19,719.84, 27,213.22 and 10,767.34

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Solution

The fourth proportional to 19,719.84, 27,213.22 and 10,767.34 is: 14,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.84 : 27,213.22 = 10,767.34 : x
  2. Step 2: Convert to fraction form
    19,719.84/27,213.22 = 10,767.34/x
  3. Step 3: Cross multiply
    19,719.84x = 27,213.22 × 10,767.34
  4. Step 4: Simplify right side
    19,719.84x = 293,013,992.23
  5. Step 5: Solve for x
    x = 293,013,992.23/19,719.84
  6. Step 6: Final answer
    x = 14,858.84

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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.