Home / 18,448.38-25,460.96-10,491.80

Finding the Fourth Proportional to 18,448.38, 25,460.96 and 10,491.80

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Solution

The fourth proportional to 18,448.38, 25,460.96 and 10,491.80 is: 14,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.38 : 25,460.96 = 10,491.80 : x
  2. Step 2: Convert to fraction form
    18,448.38/25,460.96 = 10,491.80/x
  3. Step 3: Cross multiply
    18,448.38x = 25,460.96 × 10,491.80
  4. Step 4: Simplify right side
    18,448.38x = 267,131,120.36
  5. Step 5: Solve for x
    x = 267,131,120.36/18,448.38
  6. Step 6: Final answer
    x = 14,479.92

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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.