Home / 18,743.13-25,865.55-10,359.63

Finding the Fourth Proportional to 18,743.13, 25,865.55 and 10,359.63

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Solution

The fourth proportional to 18,743.13, 25,865.55 and 10,359.63 is: 14,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.13 : 25,865.55 = 10,359.63 : x
  2. Step 2: Convert to fraction form
    18,743.13/25,865.55 = 10,359.63/x
  3. Step 3: Cross multiply
    18,743.13x = 25,865.55 × 10,359.63
  4. Step 4: Simplify right side
    18,743.13x = 267,957,527.75
  5. Step 5: Solve for x
    x = 267,957,527.75/18,743.13
  6. Step 6: Final answer
    x = 14,296.31

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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.