Home / 18,440.44-25,451.34-17,315.08

Finding the Fourth Proportional to 18,440.44, 25,451.34 and 17,315.08

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Solution

The fourth proportional to 18,440.44, 25,451.34 and 17,315.08 is: 23,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.44 : 25,451.34 = 17,315.08 : x
  2. Step 2: Convert to fraction form
    18,440.44/25,451.34 = 17,315.08/x
  3. Step 3: Cross multiply
    18,440.44x = 25,451.34 × 17,315.08
  4. Step 4: Simplify right side
    18,440.44x = 440,691,988.21
  5. Step 5: Solve for x
    x = 440,691,988.21/18,440.44
  6. Step 6: Final answer
    x = 23,898.13

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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.