Home / 19,054.08-28,590.87-9,070.11

Finding the Fourth Proportional to 19,054.08, 28,590.87 and 9,070.11

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Solution

The fourth proportional to 19,054.08, 28,590.87 and 9,070.11 is: 13,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.08 : 28,590.87 = 9,070.11 : x
  2. Step 2: Convert to fraction form
    19,054.08/28,590.87 = 9,070.11/x
  3. Step 3: Cross multiply
    19,054.08x = 28,590.87 × 9,070.11
  4. Step 4: Simplify right side
    19,054.08x = 259,322,335.90
  5. Step 5: Solve for x
    x = 259,322,335.90/19,054.08
  6. Step 6: Final answer
    x = 13,609.81

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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.