Home / 14,451.40-19,941.42-9,073

Finding the Fourth Proportional to 14,451.40, 19,941.42 and 9,073

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Solution

The fourth proportional to 14,451.40, 19,941.42 and 9,073 is: 12,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.40 : 19,941.42 = 9,073 : x
  2. Step 2: Convert to fraction form
    14,451.40/19,941.42 = 9,073/x
  3. Step 3: Cross multiply
    14,451.40x = 19,941.42 × 9,073
  4. Step 4: Simplify right side
    14,451.40x = 180,928,503.66
  5. Step 5: Solve for x
    x = 180,928,503.66/14,451.40
  6. Step 6: Final answer
    x = 12,519.79

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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.