Home / 25,626.90-35,367.66-15,554.55

Finding the Fourth Proportional to 25,626.90, 35,367.66 and 15,554.55

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Solution

The fourth proportional to 25,626.90, 35,367.66 and 15,554.55 is: 21,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,626.90 : 35,367.66 = 15,554.55 : x
  2. Step 2: Convert to fraction form
    25,626.90/35,367.66 = 15,554.55/x
  3. Step 3: Cross multiply
    25,626.90x = 35,367.66 × 15,554.55
  4. Step 4: Simplify right side
    25,626.90x = 550,128,035.85
  5. Step 5: Solve for x
    x = 550,128,035.85/25,626.90
  6. Step 6: Final answer
    x = 21,466.82

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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.