Home / 19,476.56-26,883.16-11,521.55

Finding the Fourth Proportional to 19,476.56, 26,883.16 and 11,521.55

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Solution

The fourth proportional to 19,476.56, 26,883.16 and 11,521.55 is: 15,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.56 : 26,883.16 = 11,521.55 : x
  2. Step 2: Convert to fraction form
    19,476.56/26,883.16 = 11,521.55/x
  3. Step 3: Cross multiply
    19,476.56x = 26,883.16 × 11,521.55
  4. Step 4: Simplify right side
    19,476.56x = 309,735,537.68
  5. Step 5: Solve for x
    x = 309,735,537.68/19,476.56
  6. Step 6: Final answer
    x = 15,902.99

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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.