Home / 14,555.18-20,074.39-9,773.68

Finding the Fourth Proportional to 14,555.18, 20,074.39 and 9,773.68

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Solution

The fourth proportional to 14,555.18, 20,074.39 and 9,773.68 is: 13,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.18 : 20,074.39 = 9,773.68 : x
  2. Step 2: Convert to fraction form
    14,555.18/20,074.39 = 9,773.68/x
  3. Step 3: Cross multiply
    14,555.18x = 20,074.39 × 9,773.68
  4. Step 4: Simplify right side
    14,555.18x = 196,200,664.06
  5. Step 5: Solve for x
    x = 196,200,664.06/14,555.18
  6. Step 6: Final answer
    x = 13,479.78

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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.