Home / 14,825.12-20,452.50-9,719.24

Finding the Fourth Proportional to 14,825.12, 20,452.50 and 9,719.24

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Solution

The fourth proportional to 14,825.12, 20,452.50 and 9,719.24 is: 13,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.12 : 20,452.50 = 9,719.24 : x
  2. Step 2: Convert to fraction form
    14,825.12/20,452.50 = 9,719.24/x
  3. Step 3: Cross multiply
    14,825.12x = 20,452.50 × 9,719.24
  4. Step 4: Simplify right side
    14,825.12x = 198,782,653.84
  5. Step 5: Solve for x
    x = 198,782,653.84/14,825.12
  6. Step 6: Final answer
    x = 13,408.51

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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.