Home / 14,479.83-19,969.34-9,770.49

Finding the Fourth Proportional to 14,479.83, 19,969.34 and 9,770.49

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Solution

The fourth proportional to 14,479.83, 19,969.34 and 9,770.49 is: 13,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.83 : 19,969.34 = 9,770.49 : x
  2. Step 2: Convert to fraction form
    14,479.83/19,969.34 = 9,770.49/x
  3. Step 3: Cross multiply
    14,479.83x = 19,969.34 × 9,770.49
  4. Step 4: Simplify right side
    14,479.83x = 195,110,187.92
  5. Step 5: Solve for x
    x = 195,110,187.92/14,479.83
  6. Step 6: Final answer
    x = 13,474.62

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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.