Home / 12,484.93-18,588.73-12,310.56

Finding the Fourth Proportional to 12,484.93, 18,588.73 and 12,310.56

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Solution

The fourth proportional to 12,484.93, 18,588.73 and 12,310.56 is: 18,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.93 : 18,588.73 = 12,310.56 : x
  2. Step 2: Convert to fraction form
    12,484.93/18,588.73 = 12,310.56/x
  3. Step 3: Cross multiply
    12,484.93x = 18,588.73 × 12,310.56
  4. Step 4: Simplify right side
    12,484.93x = 228,837,583.05
  5. Step 5: Solve for x
    x = 228,837,583.05/12,484.93
  6. Step 6: Final answer
    x = 18,329.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.