Home / 25,522.85-35,222.30-15,453.14

Finding the Fourth Proportional to 25,522.85, 35,222.30 and 15,453.14

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Solution

The fourth proportional to 25,522.85, 35,222.30 and 15,453.14 is: 21,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,522.85 : 35,222.30 = 15,453.14 : x
  2. Step 2: Convert to fraction form
    25,522.85/35,222.30 = 15,453.14/x
  3. Step 3: Cross multiply
    25,522.85x = 35,222.30 × 15,453.14
  4. Step 4: Simplify right side
    25,522.85x = 544,294,879.64
  5. Step 5: Solve for x
    x = 544,294,879.64/25,522.85
  6. Step 6: Final answer
    x = 21,325.79

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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.