Home / 17,187.69-23,719.95-9,636.44

Finding the Fourth Proportional to 17,187.69, 23,719.95 and 9,636.44

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Solution

The fourth proportional to 17,187.69, 23,719.95 and 9,636.44 is: 13,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.69 : 23,719.95 = 9,636.44 : x
  2. Step 2: Convert to fraction form
    17,187.69/23,719.95 = 9,636.44/x
  3. Step 3: Cross multiply
    17,187.69x = 23,719.95 × 9,636.44
  4. Step 4: Simplify right side
    17,187.69x = 228,575,826.80
  5. Step 5: Solve for x
    x = 228,575,826.80/17,187.69
  6. Step 6: Final answer
    x = 13,298.81

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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.