Home / 25,964.14-38,980.72-17,558.88

Finding the Fourth Proportional to 25,964.14, 38,980.72 and 17,558.88

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Solution

The fourth proportional to 25,964.14, 38,980.72 and 17,558.88 is: 26,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,964.14 : 38,980.72 = 17,558.88 : x
  2. Step 2: Convert to fraction form
    25,964.14/38,980.72 = 17,558.88/x
  3. Step 3: Cross multiply
    25,964.14x = 38,980.72 × 17,558.88
  4. Step 4: Simplify right side
    25,964.14x = 684,457,784.79
  5. Step 5: Solve for x
    x = 684,457,784.79/25,964.14
  6. Step 6: Final answer
    x = 26,361.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.