Home / 14,745.09-20,348.76-8,030.85

Finding the Fourth Proportional to 14,745.09, 20,348.76 and 8,030.85

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Solution

The fourth proportional to 14,745.09, 20,348.76 and 8,030.85 is: 11,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.09 : 20,348.76 = 8,030.85 : x
  2. Step 2: Convert to fraction form
    14,745.09/20,348.76 = 8,030.85/x
  3. Step 3: Cross multiply
    14,745.09x = 20,348.76 × 8,030.85
  4. Step 4: Simplify right side
    14,745.09x = 163,417,839.25
  5. Step 5: Solve for x
    x = 163,417,839.25/14,745.09
  6. Step 6: Final answer
    x = 11,082.86

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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.