Home / 14,977.85-20,669.24-8,263.76

Finding the Fourth Proportional to 14,977.85, 20,669.24 and 8,263.76

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Solution

The fourth proportional to 14,977.85, 20,669.24 and 8,263.76 is: 11,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.85 : 20,669.24 = 8,263.76 : x
  2. Step 2: Convert to fraction form
    14,977.85/20,669.24 = 8,263.76/x
  3. Step 3: Cross multiply
    14,977.85x = 20,669.24 × 8,263.76
  4. Step 4: Simplify right side
    14,977.85x = 170,805,597.42
  5. Step 5: Solve for x
    x = 170,805,597.42/14,977.85
  6. Step 6: Final answer
    x = 11,403.88

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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.