Home / 29,815.12-41,143.95-16,386.33

Finding the Fourth Proportional to 29,815.12, 41,143.95 and 16,386.33

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Solution

The fourth proportional to 29,815.12, 41,143.95 and 16,386.33 is: 22,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.12 : 41,143.95 = 16,386.33 : x
  2. Step 2: Convert to fraction form
    29,815.12/41,143.95 = 16,386.33/x
  3. Step 3: Cross multiply
    29,815.12x = 41,143.95 × 16,386.33
  4. Step 4: Simplify right side
    29,815.12x = 674,198,496.49
  5. Step 5: Solve for x
    x = 674,198,496.49/29,815.12
  6. Step 6: Final answer
    x = 22,612.64

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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.