Home / 19,355.44-26,717.16-11,400.16

Finding the Fourth Proportional to 19,355.44, 26,717.16 and 11,400.16

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Solution

The fourth proportional to 19,355.44, 26,717.16 and 11,400.16 is: 15,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.44 : 26,717.16 = 11,400.16 : x
  2. Step 2: Convert to fraction form
    19,355.44/26,717.16 = 11,400.16/x
  3. Step 3: Cross multiply
    19,355.44x = 26,717.16 × 11,400.16
  4. Step 4: Simplify right side
    19,355.44x = 304,579,898.75
  5. Step 5: Solve for x
    x = 304,579,898.75/19,355.44
  6. Step 6: Final answer
    x = 15,736.14

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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.