Home / 18,602.18-25,653.39-12,217.54

Finding the Fourth Proportional to 18,602.18, 25,653.39 and 12,217.54

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Solution

The fourth proportional to 18,602.18, 25,653.39 and 12,217.54 is: 16,848.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.18 : 25,653.39 = 12,217.54 : x
  2. Step 2: Convert to fraction form
    18,602.18/25,653.39 = 12,217.54/x
  3. Step 3: Cross multiply
    18,602.18x = 25,653.39 × 12,217.54
  4. Step 4: Simplify right side
    18,602.18x = 313,421,190.19
  5. Step 5: Solve for x
    x = 313,421,190.19/18,602.18
  6. Step 6: Final answer
    x = 16,848.63

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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.