Home / 16,965.47-23,390.82-12,125.99

Finding the Fourth Proportional to 16,965.47, 23,390.82 and 12,125.99

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Solution

The fourth proportional to 16,965.47, 23,390.82 and 12,125.99 is: 16,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.47 : 23,390.82 = 12,125.99 : x
  2. Step 2: Convert to fraction form
    16,965.47/23,390.82 = 12,125.99/x
  3. Step 3: Cross multiply
    16,965.47x = 23,390.82 × 12,125.99
  4. Step 4: Simplify right side
    16,965.47x = 283,636,732.46
  5. Step 5: Solve for x
    x = 283,636,732.46/16,965.47
  6. Step 6: Final answer
    x = 16,718.48

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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.