Home / 16,821.16-23,045.10-16,190.58

Finding the Fourth Proportional to 16,821.16, 23,045.10 and 16,190.58

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Solution

The fourth proportional to 16,821.16, 23,045.10 and 16,190.58 is: 22,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.16 : 23,045.10 = 16,190.58 : x
  2. Step 2: Convert to fraction form
    16,821.16/23,045.10 = 16,190.58/x
  3. Step 3: Cross multiply
    16,821.16x = 23,045.10 × 16,190.58
  4. Step 4: Simplify right side
    16,821.16x = 373,113,535.16
  5. Step 5: Solve for x
    x = 373,113,535.16/16,821.16
  6. Step 6: Final answer
    x = 22,181.20

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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.