Home / 13,731.30-20,596.47-5,828.74

Finding the Fourth Proportional to 13,731.30, 20,596.47 and 5,828.74

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Solution

The fourth proportional to 13,731.30, 20,596.47 and 5,828.74 is: 8,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.30 : 20,596.47 = 5,828.74 : x
  2. Step 2: Convert to fraction form
    13,731.30/20,596.47 = 5,828.74/x
  3. Step 3: Cross multiply
    13,731.30x = 20,596.47 × 5,828.74
  4. Step 4: Simplify right side
    13,731.30x = 120,051,468.55
  5. Step 5: Solve for x
    x = 120,051,468.55/13,731.30
  6. Step 6: Final answer
    x = 8,742.91

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1.5x scale

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.