Home / 13,708.95-20,563.76-10,899.73

Finding the Fourth Proportional to 13,708.95, 20,563.76 and 10,899.73

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Solution

The fourth proportional to 13,708.95, 20,563.76 and 10,899.73 is: 16,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.95 : 20,563.76 = 10,899.73 : x
  2. Step 2: Convert to fraction form
    13,708.95/20,563.76 = 10,899.73/x
  3. Step 3: Cross multiply
    13,708.95x = 20,563.76 × 10,899.73
  4. Step 4: Simplify right side
    13,708.95x = 224,139,431.78
  5. Step 5: Solve for x
    x = 224,139,431.78/13,708.95
  6. Step 6: Final answer
    x = 16,349.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.