Home / 25,062.77-34,507.72-21,278.45

Finding the Fourth Proportional to 25,062.77, 34,507.72 and 21,278.45

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Solution

The fourth proportional to 25,062.77, 34,507.72 and 21,278.45 is: 29,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,062.77 : 34,507.72 = 21,278.45 : x
  2. Step 2: Convert to fraction form
    25,062.77/34,507.72 = 21,278.45/x
  3. Step 3: Cross multiply
    25,062.77x = 34,507.72 × 21,278.45
  4. Step 4: Simplify right side
    25,062.77x = 734,270,794.63
  5. Step 5: Solve for x
    x = 734,270,794.63/25,062.77
  6. Step 6: Final answer
    x = 29,297.27

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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.