Home / 16,821.17-23,045.11-16,190.57

Finding the Fourth Proportional to 16,821.17, 23,045.11 and 16,190.57

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Solution

The fourth proportional to 16,821.17, 23,045.11 and 16,190.57 is: 22,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.17 : 23,045.11 = 16,190.57 : x
  2. Step 2: Convert to fraction form
    16,821.17/23,045.11 = 16,190.57/x
  3. Step 3: Cross multiply
    16,821.17x = 23,045.11 × 16,190.57
  4. Step 4: Simplify right side
    16,821.17x = 373,113,466.61
  5. Step 5: Solve for x
    x = 373,113,466.61/16,821.17
  6. Step 6: Final answer
    x = 22,181.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.