Home / 19,035.52-28,536.87-9,181.72

Finding the Fourth Proportional to 19,035.52, 28,536.87 and 9,181.72

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Solution

The fourth proportional to 19,035.52, 28,536.87 and 9,181.72 is: 13,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035.52 : 28,536.87 = 9,181.72 : x
  2. Step 2: Convert to fraction form
    19,035.52/28,536.87 = 9,181.72/x
  3. Step 3: Cross multiply
    19,035.52x = 28,536.87 × 9,181.72
  4. Step 4: Simplify right side
    19,035.52x = 262,017,504.11
  5. Step 5: Solve for x
    x = 262,017,504.11/19,035.52
  6. Step 6: Final answer
    x = 13,764.66

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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.