Home / 19,130.16-26,401.66-11,174.96

Finding the Fourth Proportional to 19,130.16, 26,401.66 and 11,174.96

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Solution

The fourth proportional to 19,130.16, 26,401.66 and 11,174.96 is: 15,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.16 : 26,401.66 = 11,174.96 : x
  2. Step 2: Convert to fraction form
    19,130.16/26,401.66 = 11,174.96/x
  3. Step 3: Cross multiply
    19,130.16x = 26,401.66 × 11,174.96
  4. Step 4: Simplify right side
    19,130.16x = 295,037,494.43
  5. Step 5: Solve for x
    x = 295,037,494.43/19,130.16
  6. Step 6: Final answer
    x = 15,422.64

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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.