Home / 14,900.12-20,570.75-10,369.38

Finding the Fourth Proportional to 14,900.12, 20,570.75 and 10,369.38

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Solution

The fourth proportional to 14,900.12, 20,570.75 and 10,369.38 is: 14,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.12 : 20,570.75 = 10,369.38 : x
  2. Step 2: Convert to fraction form
    14,900.12/20,570.75 = 10,369.38/x
  3. Step 3: Cross multiply
    14,900.12x = 20,570.75 × 10,369.38
  4. Step 4: Simplify right side
    14,900.12x = 213,305,923.64
  5. Step 5: Solve for x
    x = 213,305,923.64/14,900.12
  6. Step 6: Final answer
    x = 14,315.72

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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.