Home / 18,462.45-25,511.49-13,148.04

Finding the Fourth Proportional to 18,462.45, 25,511.49 and 13,148.04

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Solution

The fourth proportional to 18,462.45, 25,511.49 and 13,148.04 is: 18,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.45 : 25,511.49 = 13,148.04 : x
  2. Step 2: Convert to fraction form
    18,462.45/25,511.49 = 13,148.04/x
  3. Step 3: Cross multiply
    18,462.45x = 25,511.49 × 13,148.04
  4. Step 4: Simplify right side
    18,462.45x = 335,426,090.98
  5. Step 5: Solve for x
    x = 335,426,090.98/18,462.45
  6. Step 6: Final answer
    x = 18,168.02

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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.