Home / 19,936.81-27,512.67-10,984.11

Finding the Fourth Proportional to 19,936.81, 27,512.67 and 10,984.11

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Solution

The fourth proportional to 19,936.81, 27,512.67 and 10,984.11 is: 15,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.81 : 27,512.67 = 10,984.11 : x
  2. Step 2: Convert to fraction form
    19,936.81/27,512.67 = 10,984.11/x
  3. Step 3: Cross multiply
    19,936.81x = 27,512.67 × 10,984.11
  4. Step 4: Simplify right side
    19,936.81x = 302,202,193.67
  5. Step 5: Solve for x
    x = 302,202,193.67/19,936.81
  6. Step 6: Final answer
    x = 15,158.00

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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.