Home / 29,686.69-40,966.63-16,940.57

Finding the Fourth Proportional to 29,686.69, 40,966.63 and 16,940.57

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Solution

The fourth proportional to 29,686.69, 40,966.63 and 16,940.57 is: 23,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,686.69 : 40,966.63 = 16,940.57 : x
  2. Step 2: Convert to fraction form
    29,686.69/40,966.63 = 16,940.57/x
  3. Step 3: Cross multiply
    29,686.69x = 40,966.63 × 16,940.57
  4. Step 4: Simplify right side
    29,686.69x = 693,998,123.24
  5. Step 5: Solve for x
    x = 693,998,123.24/29,686.69
  6. Step 6: Final answer
    x = 23,377.42

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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.