Home / 14,826.99-20,463.21-8,455.89

Finding the Fourth Proportional to 14,826.99, 20,463.21 and 8,455.89

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Solution

The fourth proportional to 14,826.99, 20,463.21 and 8,455.89 is: 11,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.99 : 20,463.21 = 8,455.89 : x
  2. Step 2: Convert to fraction form
    14,826.99/20,463.21 = 8,455.89/x
  3. Step 3: Cross multiply
    14,826.99x = 20,463.21 × 8,455.89
  4. Step 4: Simplify right side
    14,826.99x = 173,034,652.81
  5. Step 5: Solve for x
    x = 173,034,652.81/14,826.99
  6. Step 6: Final answer
    x = 11,670.25

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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.