Home / 14,885.87-20,477.18-12,450.12

Finding the Fourth Proportional to 14,885.87, 20,477.18 and 12,450.12

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Solution

The fourth proportional to 14,885.87, 20,477.18 and 12,450.12 is: 17,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.87 : 20,477.18 = 12,450.12 : x
  2. Step 2: Convert to fraction form
    14,885.87/20,477.18 = 12,450.12/x
  3. Step 3: Cross multiply
    14,885.87x = 20,477.18 × 12,450.12
  4. Step 4: Simplify right side
    14,885.87x = 254,943,286.01
  5. Step 5: Solve for x
    x = 254,943,286.01/14,885.87
  6. Step 6: Final answer
    x = 17,126.53

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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.