Home / 19,133.84-26,406.12-11,174.80

Finding the Fourth Proportional to 19,133.84, 26,406.12 and 11,174.80

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Solution

The fourth proportional to 19,133.84, 26,406.12 and 11,174.80 is: 15,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.84 : 26,406.12 = 11,174.80 : x
  2. Step 2: Convert to fraction form
    19,133.84/26,406.12 = 11,174.80/x
  3. Step 3: Cross multiply
    19,133.84x = 26,406.12 × 11,174.80
  4. Step 4: Simplify right side
    19,133.84x = 295,083,109.78
  5. Step 5: Solve for x
    x = 295,083,109.78/19,133.84
  6. Step 6: Final answer
    x = 15,422.05

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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.