Home / 19,042.34-28,581.95-9,188.53

Finding the Fourth Proportional to 19,042.34, 28,581.95 and 9,188.53

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Solution

The fourth proportional to 19,042.34, 28,581.95 and 9,188.53 is: 13,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.34 : 28,581.95 = 9,188.53 : x
  2. Step 2: Convert to fraction form
    19,042.34/28,581.95 = 9,188.53/x
  3. Step 3: Cross multiply
    19,042.34x = 28,581.95 × 9,188.53
  4. Step 4: Simplify right side
    19,042.34x = 262,626,056.55
  5. Step 5: Solve for x
    x = 262,626,056.55/19,042.34
  6. Step 6: Final answer
    x = 13,791.69

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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.