Home / 14,660.21-20,235.69-10,125.23

Finding the Fourth Proportional to 14,660.21, 20,235.69 and 10,125.23

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Solution

The fourth proportional to 14,660.21, 20,235.69 and 10,125.23 is: 13,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.21 : 20,235.69 = 10,125.23 : x
  2. Step 2: Convert to fraction form
    14,660.21/20,235.69 = 10,125.23/x
  3. Step 3: Cross multiply
    14,660.21x = 20,235.69 × 10,125.23
  4. Step 4: Simplify right side
    14,660.21x = 204,890,914.28
  5. Step 5: Solve for x
    x = 204,890,914.28/14,660.21
  6. Step 6: Final answer
    x = 13,975.99

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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.