Home / 19,746.29-27,245.49-11,362.79

Finding the Fourth Proportional to 19,746.29, 27,245.49 and 11,362.79

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Solution

The fourth proportional to 19,746.29, 27,245.49 and 11,362.79 is: 15,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.29 : 27,245.49 = 11,362.79 : x
  2. Step 2: Convert to fraction form
    19,746.29/27,245.49 = 11,362.79/x
  3. Step 3: Cross multiply
    19,746.29x = 27,245.49 × 11,362.79
  4. Step 4: Simplify right side
    19,746.29x = 309,584,781.32
  5. Step 5: Solve for x
    x = 309,584,781.32/19,746.29
  6. Step 6: Final answer
    x = 15,678.12

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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.