Home / 19,896.07-27,460.48-11,403.89

Finding the Fourth Proportional to 19,896.07, 27,460.48 and 11,403.89

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Solution

The fourth proportional to 19,896.07, 27,460.48 and 11,403.89 is: 15,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.07 : 27,460.48 = 11,403.89 : x
  2. Step 2: Convert to fraction form
    19,896.07/27,460.48 = 11,403.89/x
  3. Step 3: Cross multiply
    19,896.07x = 27,460.48 × 11,403.89
  4. Step 4: Simplify right side
    19,896.07x = 313,156,127.46
  5. Step 5: Solve for x
    x = 313,156,127.46/19,896.07
  6. Step 6: Final answer
    x = 15,739.60

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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.