Home / 19,455.20-26,847.89-10,957.34

Finding the Fourth Proportional to 19,455.20, 26,847.89 and 10,957.34

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Solution

The fourth proportional to 19,455.20, 26,847.89 and 10,957.34 is: 15,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.20 : 26,847.89 = 10,957.34 : x
  2. Step 2: Convert to fraction form
    19,455.20/26,847.89 = 10,957.34/x
  3. Step 3: Cross multiply
    19,455.20x = 26,847.89 × 10,957.34
  4. Step 4: Simplify right side
    19,455.20x = 294,181,361.42
  5. Step 5: Solve for x
    x = 294,181,361.42/19,455.20
  6. Step 6: Final answer
    x = 15,120.96

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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.