Home / 14,368.98-19,826.20-8,399.46

Finding the Fourth Proportional to 14,368.98, 19,826.20 and 8,399.46

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Solution

The fourth proportional to 14,368.98, 19,826.20 and 8,399.46 is: 11,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.98 : 19,826.20 = 8,399.46 : x
  2. Step 2: Convert to fraction form
    14,368.98/19,826.20 = 8,399.46/x
  3. Step 3: Cross multiply
    14,368.98x = 19,826.20 × 8,399.46
  4. Step 4: Simplify right side
    14,368.98x = 166,529,373.85
  5. Step 5: Solve for x
    x = 166,529,373.85/14,368.98
  6. Step 6: Final answer
    x = 11,589.51

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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.