Home / 26,862.13-37,074.31-15,538.51

Finding the Fourth Proportional to 26,862.13, 37,074.31 and 15,538.51

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Solution

The fourth proportional to 26,862.13, 37,074.31 and 15,538.51 is: 21,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,862.13 : 37,074.31 = 15,538.51 : x
  2. Step 2: Convert to fraction form
    26,862.13/37,074.31 = 15,538.51/x
  3. Step 3: Cross multiply
    26,862.13x = 37,074.31 × 15,538.51
  4. Step 4: Simplify right side
    26,862.13x = 576,079,536.68
  5. Step 5: Solve for x
    x = 576,079,536.68/26,862.13
  6. Step 6: Final answer
    x = 21,445.79

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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.