Home / 18,506.46-25,539.66-10,122.96

Finding the Fourth Proportional to 18,506.46, 25,539.66 and 10,122.96

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Solution

The fourth proportional to 18,506.46, 25,539.66 and 10,122.96 is: 13,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.46 : 25,539.66 = 10,122.96 : x
  2. Step 2: Convert to fraction form
    18,506.46/25,539.66 = 10,122.96/x
  3. Step 3: Cross multiply
    18,506.46x = 25,539.66 × 10,122.96
  4. Step 4: Simplify right side
    18,506.46x = 258,536,956.59
  5. Step 5: Solve for x
    x = 258,536,956.59/18,506.46
  6. Step 6: Final answer
    x = 13,970.09

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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.