Home / 18,633.52-25,715.96-10,678.32

Finding the Fourth Proportional to 18,633.52, 25,715.96 and 10,678.32

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Solution

The fourth proportional to 18,633.52, 25,715.96 and 10,678.32 is: 14,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.52 : 25,715.96 = 10,678.32 : x
  2. Step 2: Convert to fraction form
    18,633.52/25,715.96 = 10,678.32/x
  3. Step 3: Cross multiply
    18,633.52x = 25,715.96 × 10,678.32
  4. Step 4: Simplify right side
    18,633.52x = 274,603,249.99
  5. Step 5: Solve for x
    x = 274,603,249.99/18,633.52
  6. Step 6: Final answer
    x = 14,737.06

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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.