Home / 19,154.52-28,658.88-11,527.16

Finding the Fourth Proportional to 19,154.52, 28,658.88 and 11,527.16

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Solution

The fourth proportional to 19,154.52, 28,658.88 and 11,527.16 is: 17,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.52 : 28,658.88 = 11,527.16 : x
  2. Step 2: Convert to fraction form
    19,154.52/28,658.88 = 11,527.16/x
  3. Step 3: Cross multiply
    19,154.52x = 28,658.88 × 11,527.16
  4. Step 4: Simplify right side
    19,154.52x = 330,355,351.89
  5. Step 5: Solve for x
    x = 330,355,351.89/19,154.52
  6. Step 6: Final answer
    x = 17,246.86

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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.