Home / 29,813.76-41,143.80-16,385.18

Finding the Fourth Proportional to 29,813.76, 41,143.80 and 16,385.18

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Solution

The fourth proportional to 29,813.76, 41,143.80 and 16,385.18 is: 22,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,813.76 : 41,143.80 = 16,385.18 : x
  2. Step 2: Convert to fraction form
    29,813.76/41,143.80 = 16,385.18/x
  3. Step 3: Cross multiply
    29,813.76x = 41,143.80 × 16,385.18
  4. Step 4: Simplify right side
    29,813.76x = 674,148,363.17
  5. Step 5: Solve for x
    x = 674,148,363.17/29,813.76
  6. Step 6: Final answer
    x = 22,611.99

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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.