Home / 19,028.96-28,543.62-8,499.51

Finding the Fourth Proportional to 19,028.96, 28,543.62 and 8,499.51

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Solution

The fourth proportional to 19,028.96, 28,543.62 and 8,499.51 is: 12,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.96 : 28,543.62 = 8,499.51 : x
  2. Step 2: Convert to fraction form
    19,028.96/28,543.62 = 8,499.51/x
  3. Step 3: Cross multiply
    19,028.96x = 28,543.62 × 8,499.51
  4. Step 4: Simplify right side
    19,028.96x = 242,606,783.63
  5. Step 5: Solve for x
    x = 242,606,783.63/19,028.96
  6. Step 6: Final answer
    x = 12,749.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.