Home / 18,806.63-25,953.66-13,511.36

Finding the Fourth Proportional to 18,806.63, 25,953.66 and 13,511.36

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Solution

The fourth proportional to 18,806.63, 25,953.66 and 13,511.36 is: 18,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.63 : 25,953.66 = 13,511.36 : x
  2. Step 2: Convert to fraction form
    18,806.63/25,953.66 = 13,511.36/x
  3. Step 3: Cross multiply
    18,806.63x = 25,953.66 × 13,511.36
  4. Step 4: Simplify right side
    18,806.63x = 350,669,080.03
  5. Step 5: Solve for x
    x = 350,669,080.03/18,806.63
  6. Step 6: Final answer
    x = 18,646.04

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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.