Home / 14,709.96-20,280.24-12,182.76

Finding the Fourth Proportional to 14,709.96, 20,280.24 and 12,182.76

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Solution

The fourth proportional to 14,709.96, 20,280.24 and 12,182.76 is: 16,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.96 : 20,280.24 = 12,182.76 : x
  2. Step 2: Convert to fraction form
    14,709.96/20,280.24 = 12,182.76/x
  3. Step 3: Cross multiply
    14,709.96x = 20,280.24 × 12,182.76
  4. Step 4: Simplify right side
    14,709.96x = 247,069,296.66
  5. Step 5: Solve for x
    x = 247,069,296.66/14,709.96
  6. Step 6: Final answer
    x = 16,796.05

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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.