Home / 14,597.05-20,140.21-8,929.73

Finding the Fourth Proportional to 14,597.05, 20,140.21 and 8,929.73

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Solution

The fourth proportional to 14,597.05, 20,140.21 and 8,929.73 is: 12,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,597.05 : 20,140.21 = 8,929.73 : x
  2. Step 2: Convert to fraction form
    14,597.05/20,140.21 = 8,929.73/x
  3. Step 3: Cross multiply
    14,597.05x = 20,140.21 × 8,929.73
  4. Step 4: Simplify right side
    14,597.05x = 179,846,637.44
  5. Step 5: Solve for x
    x = 179,846,637.44/14,597.05
  6. Step 6: Final answer
    x = 12,320.75

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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.