Home / 25,022.16-34,490.88-19,708.56

Finding the Fourth Proportional to 25,022.16, 34,490.88 and 19,708.56

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Solution

The fourth proportional to 25,022.16, 34,490.88 and 19,708.56 is: 27,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,022.16 : 34,490.88 = 19,708.56 : x
  2. Step 2: Convert to fraction form
    25,022.16/34,490.88 = 19,708.56/x
  3. Step 3: Cross multiply
    25,022.16x = 34,490.88 × 19,708.56
  4. Step 4: Simplify right side
    25,022.16x = 679,765,577.93
  5. Step 5: Solve for x
    x = 679,765,577.93/25,022.16
  6. Step 6: Final answer
    x = 27,166.54

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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.