Home / 26,858.12-37,065.26-18,378.03

Finding the Fourth Proportional to 26,858.12, 37,065.26 and 18,378.03

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Solution

The fourth proportional to 26,858.12, 37,065.26 and 18,378.03 is: 25,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,858.12 : 37,065.26 = 18,378.03 : x
  2. Step 2: Convert to fraction form
    26,858.12/37,065.26 = 18,378.03/x
  3. Step 3: Cross multiply
    26,858.12x = 37,065.26 × 18,378.03
  4. Step 4: Simplify right side
    26,858.12x = 681,186,460.24
  5. Step 5: Solve for x
    x = 681,186,460.24/26,858.12
  6. Step 6: Final answer
    x = 25,362.40

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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.