Home / 19,110.42-28,668.18-5,964.12

Finding the Fourth Proportional to 19,110.42, 28,668.18 and 5,964.12

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Solution

The fourth proportional to 19,110.42, 28,668.18 and 5,964.12 is: 8,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.42 : 28,668.18 = 5,964.12 : x
  2. Step 2: Convert to fraction form
    19,110.42/28,668.18 = 5,964.12/x
  3. Step 3: Cross multiply
    19,110.42x = 28,668.18 × 5,964.12
  4. Step 4: Simplify right side
    19,110.42x = 170,980,465.70
  5. Step 5: Solve for x
    x = 170,980,465.70/19,110.42
  6. Step 6: Final answer
    x = 8,946.98

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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.