Home / 18,495.42-25,520.70-10,537.80

Finding the Fourth Proportional to 18,495.42, 25,520.70 and 10,537.80

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Solution

The fourth proportional to 18,495.42, 25,520.70 and 10,537.80 is: 14,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.42 : 25,520.70 = 10,537.80 : x
  2. Step 2: Convert to fraction form
    18,495.42/25,520.70 = 10,537.80/x
  3. Step 3: Cross multiply
    18,495.42x = 25,520.70 × 10,537.80
  4. Step 4: Simplify right side
    18,495.42x = 268,932,032.46
  5. Step 5: Solve for x
    x = 268,932,032.46/18,495.42
  6. Step 6: Final answer
    x = 14,540.47

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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.