Home / 14,771.57-20,384.76-10,997.98

Finding the Fourth Proportional to 14,771.57, 20,384.76 and 10,997.98

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Solution

The fourth proportional to 14,771.57, 20,384.76 and 10,997.98 is: 15,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.57 : 20,384.76 = 10,997.98 : x
  2. Step 2: Convert to fraction form
    14,771.57/20,384.76 = 10,997.98/x
  3. Step 3: Cross multiply
    14,771.57x = 20,384.76 × 10,997.98
  4. Step 4: Simplify right side
    14,771.57x = 224,191,025.87
  5. Step 5: Solve for x
    x = 224,191,025.87/14,771.57
  6. Step 6: Final answer
    x = 15,177.20

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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.