Home / 16,821.64-25,235.23-5,132.13

Finding the Fourth Proportional to 16,821.64, 25,235.23 and 5,132.13

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Solution

The fourth proportional to 16,821.64, 25,235.23 and 5,132.13 is: 7,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.64 : 25,235.23 = 5,132.13 : x
  2. Step 2: Convert to fraction form
    16,821.64/25,235.23 = 5,132.13/x
  3. Step 3: Cross multiply
    16,821.64x = 25,235.23 × 5,132.13
  4. Step 4: Simplify right side
    16,821.64x = 129,510,480.94
  5. Step 5: Solve for x
    x = 129,510,480.94/16,821.64
  6. Step 6: Final answer
    x = 7,699.04

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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.