Home / 18,593.12-27,889.70-13,071.15

Finding the Fourth Proportional to 18,593.12, 27,889.70 and 13,071.15

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Solution

The fourth proportional to 18,593.12, 27,889.70 and 13,071.15 is: 19,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.12 : 27,889.70 = 13,071.15 : x
  2. Step 2: Convert to fraction form
    18,593.12/27,889.70 = 13,071.15/x
  3. Step 3: Cross multiply
    18,593.12x = 27,889.70 × 13,071.15
  4. Step 4: Simplify right side
    18,593.12x = 364,550,386.80
  5. Step 5: Solve for x
    x = 364,550,386.80/18,593.12
  6. Step 6: Final answer
    x = 19,606.74

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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.