Home / 18,579.93-27,886.76-11,573.56

Finding the Fourth Proportional to 18,579.93, 27,886.76 and 11,573.56

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Solution

The fourth proportional to 18,579.93, 27,886.76 and 11,573.56 is: 17,370.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.93 : 27,886.76 = 11,573.56 : x
  2. Step 2: Convert to fraction form
    18,579.93/27,886.76 = 11,573.56/x
  3. Step 3: Cross multiply
    18,579.93x = 27,886.76 × 11,573.56
  4. Step 4: Simplify right side
    18,579.93x = 322,748,999.47
  5. Step 5: Solve for x
    x = 322,748,999.47/18,579.93
  6. Step 6: Final answer
    x = 17,370.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.