Home / 14,997.18-20,704.95-10,288.38

Finding the Fourth Proportional to 14,997.18, 20,704.95 and 10,288.38

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Solution

The fourth proportional to 14,997.18, 20,704.95 and 10,288.38 is: 14,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.18 : 20,704.95 = 10,288.38 : x
  2. Step 2: Convert to fraction form
    14,997.18/20,704.95 = 10,288.38/x
  3. Step 3: Cross multiply
    14,997.18x = 20,704.95 × 10,288.38
  4. Step 4: Simplify right side
    14,997.18x = 213,020,393.48
  5. Step 5: Solve for x
    x = 213,020,393.48/14,997.18
  6. Step 6: Final answer
    x = 14,204.03

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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.