Home / 13,641.16-18,743.24-10,841.80

Finding the Fourth Proportional to 13,641.16, 18,743.24 and 10,841.80

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Solution

The fourth proportional to 13,641.16, 18,743.24 and 10,841.80 is: 14,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.16 : 18,743.24 = 10,841.80 : x
  2. Step 2: Convert to fraction form
    13,641.16/18,743.24 = 10,841.80/x
  3. Step 3: Cross multiply
    13,641.16x = 18,743.24 × 10,841.80
  4. Step 4: Simplify right side
    13,641.16x = 203,210,459.43
  5. Step 5: Solve for x
    x = 203,210,459.43/13,641.16
  6. Step 6: Final answer
    x = 14,896.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.