Home / 19,174.64-26,454.15-11,103.89

Finding the Fourth Proportional to 19,174.64, 26,454.15 and 11,103.89

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Solution

The fourth proportional to 19,174.64, 26,454.15 and 11,103.89 is: 15,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.64 : 26,454.15 = 11,103.89 : x
  2. Step 2: Convert to fraction form
    19,174.64/26,454.15 = 11,103.89/x
  3. Step 3: Cross multiply
    19,174.64x = 26,454.15 × 11,103.89
  4. Step 4: Simplify right side
    19,174.64x = 293,743,839.37
  5. Step 5: Solve for x
    x = 293,743,839.37/19,174.64
  6. Step 6: Final answer
    x = 15,319.40

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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.