Home / 18,743.35-25,861.56-11,192.13

Finding the Fourth Proportional to 18,743.35, 25,861.56 and 11,192.13

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Solution

The fourth proportional to 18,743.35, 25,861.56 and 11,192.13 is: 15,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.35 : 25,861.56 = 11,192.13 : x
  2. Step 2: Convert to fraction form
    18,743.35/25,861.56 = 11,192.13/x
  3. Step 3: Cross multiply
    18,743.35x = 25,861.56 × 11,192.13
  4. Step 4: Simplify right side
    18,743.35x = 289,445,941.52
  5. Step 5: Solve for x
    x = 289,445,941.52/18,743.35
  6. Step 6: Final answer
    x = 15,442.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.