Home / 17,886.07-26,846.78-13,428.24

Finding the Fourth Proportional to 17,886.07, 26,846.78 and 13,428.24

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Solution

The fourth proportional to 17,886.07, 26,846.78 and 13,428.24 is: 20,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.07 : 26,846.78 = 13,428.24 : x
  2. Step 2: Convert to fraction form
    17,886.07/26,846.78 = 13,428.24/x
  3. Step 3: Cross multiply
    17,886.07x = 26,846.78 × 13,428.24
  4. Step 4: Simplify right side
    17,886.07x = 360,504,837.25
  5. Step 5: Solve for x
    x = 360,504,837.25/17,886.07
  6. Step 6: Final answer
    x = 20,155.62

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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.