Home / 19,130.49-26,401.73-11,175.27

Finding the Fourth Proportional to 19,130.49, 26,401.73 and 11,175.27

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Solution

The fourth proportional to 19,130.49, 26,401.73 and 11,175.27 is: 15,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.49 : 26,401.73 = 11,175.27 : x
  2. Step 2: Convert to fraction form
    19,130.49/26,401.73 = 11,175.27/x
  3. Step 3: Cross multiply
    19,130.49x = 26,401.73 × 11,175.27
  4. Step 4: Simplify right side
    19,130.49x = 295,046,405.34
  5. Step 5: Solve for x
    x = 295,046,405.34/19,130.49
  6. Step 6: Final answer
    x = 15,422.84

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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.