Home / 18,442.55-25,453.04-10,376.61

Finding the Fourth Proportional to 18,442.55, 25,453.04 and 10,376.61

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Solution

The fourth proportional to 18,442.55, 25,453.04 and 10,376.61 is: 14,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.55 : 25,453.04 = 10,376.61 : x
  2. Step 2: Convert to fraction form
    18,442.55/25,453.04 = 10,376.61/x
  3. Step 3: Cross multiply
    18,442.55x = 25,453.04 × 10,376.61
  4. Step 4: Simplify right side
    18,442.55x = 264,116,217.51
  5. Step 5: Solve for x
    x = 264,116,217.51/18,442.55
  6. Step 6: Final answer
    x = 14,321.03

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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.