Home / 13,417.28-20,125.92-4,184

Finding the Fourth Proportional to 13,417.28, 20,125.92 and 4,184

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Solution

The fourth proportional to 13,417.28, 20,125.92 and 4,184 is: 6,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.28 : 20,125.92 = 4,184 : x
  2. Step 2: Convert to fraction form
    13,417.28/20,125.92 = 4,184/x
  3. Step 3: Cross multiply
    13,417.28x = 20,125.92 × 4,184
  4. Step 4: Simplify right side
    13,417.28x = 84,206,849.28
  5. Step 5: Solve for x
    x = 84,206,849.28/13,417.28
  6. Step 6: Final answer
    x = 6,276.00

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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.