Home / 18,742.37-25,865.57-10,359.65

Finding the Fourth Proportional to 18,742.37, 25,865.57 and 10,359.65

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Solution

The fourth proportional to 18,742.37, 25,865.57 and 10,359.65 is: 14,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.37 : 25,865.57 = 10,359.65 : x
  2. Step 2: Convert to fraction form
    18,742.37/25,865.57 = 10,359.65/x
  3. Step 3: Cross multiply
    18,742.37x = 25,865.57 × 10,359.65
  4. Step 4: Simplify right side
    18,742.37x = 267,958,200.45
  5. Step 5: Solve for x
    x = 267,958,200.45/18,742.37
  6. Step 6: Final answer
    x = 14,296.92

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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.