Home / 18,196.69-25,111.92-10,239.19

Finding the Fourth Proportional to 18,196.69, 25,111.92 and 10,239.19

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Solution

The fourth proportional to 18,196.69, 25,111.92 and 10,239.19 is: 14,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.69 : 25,111.92 = 10,239.19 : x
  2. Step 2: Convert to fraction form
    18,196.69/25,111.92 = 10,239.19/x
  3. Step 3: Cross multiply
    18,196.69x = 25,111.92 × 10,239.19
  4. Step 4: Simplify right side
    18,196.69x = 257,125,668.95
  5. Step 5: Solve for x
    x = 257,125,668.95/18,196.69
  6. Step 6: Final answer
    x = 14,130.36

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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.