Home / 13,941.01-19,247.27-9,690.73

Finding the Fourth Proportional to 13,941.01, 19,247.27 and 9,690.73

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Solution

The fourth proportional to 13,941.01, 19,247.27 and 9,690.73 is: 13,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.01 : 19,247.27 = 9,690.73 : x
  2. Step 2: Convert to fraction form
    13,941.01/19,247.27 = 9,690.73/x
  3. Step 3: Cross multiply
    13,941.01x = 19,247.27 × 9,690.73
  4. Step 4: Simplify right side
    13,941.01x = 186,520,096.81
  5. Step 5: Solve for x
    x = 186,520,096.81/13,941.01
  6. Step 6: Final answer
    x = 13,379.24

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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.