Home / 27,697.14-38,209.86-18,741.51

Finding the Fourth Proportional to 27,697.14, 38,209.86 and 18,741.51

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Solution

The fourth proportional to 27,697.14, 38,209.86 and 18,741.51 is: 25,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,697.14 : 38,209.86 = 18,741.51 : x
  2. Step 2: Convert to fraction form
    27,697.14/38,209.86 = 18,741.51/x
  3. Step 3: Cross multiply
    27,697.14x = 38,209.86 × 18,741.51
  4. Step 4: Simplify right side
    27,697.14x = 716,110,473.29
  5. Step 5: Solve for x
    x = 716,110,473.29/27,697.14
  6. Step 6: Final answer
    x = 25,855.03

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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.