Home / 12,104.91-16,666.16-10,329.39

Finding the Fourth Proportional to 12,104.91, 16,666.16 and 10,329.39

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Solution

The fourth proportional to 12,104.91, 16,666.16 and 10,329.39 is: 14,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.91 : 16,666.16 = 10,329.39 : x
  2. Step 2: Convert to fraction form
    12,104.91/16,666.16 = 10,329.39/x
  3. Step 3: Cross multiply
    12,104.91x = 16,666.16 × 10,329.39
  4. Step 4: Simplify right side
    12,104.91x = 172,151,214.80
  5. Step 5: Solve for x
    x = 172,151,214.80/12,104.91
  6. Step 6: Final answer
    x = 14,221.60

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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.