Home / 25,218.51-34,805.69-19,238.88

Finding the Fourth Proportional to 25,218.51, 34,805.69 and 19,238.88

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Solution

The fourth proportional to 25,218.51, 34,805.69 and 19,238.88 is: 26,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.51 : 34,805.69 = 19,238.88 : x
  2. Step 2: Convert to fraction form
    25,218.51/34,805.69 = 19,238.88/x
  3. Step 3: Cross multiply
    25,218.51x = 34,805.69 × 19,238.88
  4. Step 4: Simplify right side
    25,218.51x = 669,622,397.03
  5. Step 5: Solve for x
    x = 669,622,397.03/25,218.51
  6. Step 6: Final answer
    x = 26,552.81

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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.