Home / 20,328.84-30,553.40-16,841.18

Finding the Fourth Proportional to 20,328.84, 30,553.40 and 16,841.18

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Solution

The fourth proportional to 20,328.84, 30,553.40 and 16,841.18 is: 25,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328.84 : 30,553.40 = 16,841.18 : x
  2. Step 2: Convert to fraction form
    20,328.84/30,553.40 = 16,841.18/x
  3. Step 3: Cross multiply
    20,328.84x = 30,553.40 × 16,841.18
  4. Step 4: Simplify right side
    20,328.84x = 514,555,427.50
  5. Step 5: Solve for x
    x = 514,555,427.50/20,328.84
  6. Step 6: Final answer
    x = 25,311.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.