Home / 19,791.84-27,313.36-10,840.19

Finding the Fourth Proportional to 19,791.84, 27,313.36 and 10,840.19

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Solution

The fourth proportional to 19,791.84, 27,313.36 and 10,840.19 is: 14,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.84 : 27,313.36 = 10,840.19 : x
  2. Step 2: Convert to fraction form
    19,791.84/27,313.36 = 10,840.19/x
  3. Step 3: Cross multiply
    19,791.84x = 27,313.36 × 10,840.19
  4. Step 4: Simplify right side
    19,791.84x = 296,082,053.12
  5. Step 5: Solve for x
    x = 296,082,053.12/19,791.84
  6. Step 6: Final answer
    x = 14,959.80

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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.