Home / 18,487.08-25,511.22-10,101.96

Finding the Fourth Proportional to 18,487.08, 25,511.22 and 10,101.96

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Solution

The fourth proportional to 18,487.08, 25,511.22 and 10,101.96 is: 13,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.08 : 25,511.22 = 10,101.96 : x
  2. Step 2: Convert to fraction form
    18,487.08/25,511.22 = 10,101.96/x
  3. Step 3: Cross multiply
    18,487.08x = 25,511.22 × 10,101.96
  4. Step 4: Simplify right side
    18,487.08x = 257,713,323.99
  5. Step 5: Solve for x
    x = 257,713,323.99/18,487.08
  6. Step 6: Final answer
    x = 13,940.19

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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.