Home / 14,848.40-20,491.13-8,474.87

Finding the Fourth Proportional to 14,848.40, 20,491.13 and 8,474.87

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Solution

The fourth proportional to 14,848.40, 20,491.13 and 8,474.87 is: 11,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.40 : 20,491.13 = 8,474.87 : x
  2. Step 2: Convert to fraction form
    14,848.40/20,491.13 = 8,474.87/x
  3. Step 3: Cross multiply
    14,848.40x = 20,491.13 × 8,474.87
  4. Step 4: Simplify right side
    14,848.40x = 173,659,662.90
  5. Step 5: Solve for x
    x = 173,659,662.90/14,848.40
  6. Step 6: Final answer
    x = 11,695.51

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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.