Home / 25,633.85-35,377.16-15,559.98

Finding the Fourth Proportional to 25,633.85, 35,377.16 and 15,559.98

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Solution

The fourth proportional to 25,633.85, 35,377.16 and 15,559.98 is: 21,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,633.85 : 35,377.16 = 15,559.98 : x
  2. Step 2: Convert to fraction form
    25,633.85/35,377.16 = 15,559.98/x
  3. Step 3: Cross multiply
    25,633.85x = 35,377.16 × 15,559.98
  4. Step 4: Simplify right side
    25,633.85x = 550,467,902.06
  5. Step 5: Solve for x
    x = 550,467,902.06/25,633.85
  6. Step 6: Final answer
    x = 21,474.26

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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.