Home / 19,573.57-27,018.53-11,615.79

Finding the Fourth Proportional to 19,573.57, 27,018.53 and 11,615.79

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Solution

The fourth proportional to 19,573.57, 27,018.53 and 11,615.79 is: 16,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.57 : 27,018.53 = 11,615.79 : x
  2. Step 2: Convert to fraction form
    19,573.57/27,018.53 = 11,615.79/x
  3. Step 3: Cross multiply
    19,573.57x = 27,018.53 × 11,615.79
  4. Step 4: Simplify right side
    19,573.57x = 313,841,570.59
  5. Step 5: Solve for x
    x = 313,841,570.59/19,573.57
  6. Step 6: Final answer
    x = 16,033.95

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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.