Home / 14,631.49-20,185.23-9,325.18

Finding the Fourth Proportional to 14,631.49, 20,185.23 and 9,325.18

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Solution

The fourth proportional to 14,631.49, 20,185.23 and 9,325.18 is: 12,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.49 : 20,185.23 = 9,325.18 : x
  2. Step 2: Convert to fraction form
    14,631.49/20,185.23 = 9,325.18/x
  3. Step 3: Cross multiply
    14,631.49x = 20,185.23 × 9,325.18
  4. Step 4: Simplify right side
    14,631.49x = 188,230,903.09
  5. Step 5: Solve for x
    x = 188,230,903.09/14,631.49
  6. Step 6: Final answer
    x = 12,864.78

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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.