Home / 19,110.08-28,468.09-18,529.72

Finding the Fourth Proportional to 19,110.08, 28,468.09 and 18,529.72

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Solution

The fourth proportional to 19,110.08, 28,468.09 and 18,529.72 is: 27,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.08 : 28,468.09 = 18,529.72 : x
  2. Step 2: Convert to fraction form
    19,110.08/28,468.09 = 18,529.72/x
  3. Step 3: Cross multiply
    19,110.08x = 28,468.09 × 18,529.72
  4. Step 4: Simplify right side
    19,110.08x = 527,505,736.63
  5. Step 5: Solve for x
    x = 527,505,736.63/19,110.08
  6. Step 6: Final answer
    x = 27,603.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.