Home / 16,782.12-23,146.74-16,037.64

Finding the Fourth Proportional to 16,782.12, 23,146.74 and 16,037.64

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Solution

The fourth proportional to 16,782.12, 23,146.74 and 16,037.64 is: 22,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.12 : 23,146.74 = 16,037.64 : x
  2. Step 2: Convert to fraction form
    16,782.12/23,146.74 = 16,037.64/x
  3. Step 3: Cross multiply
    16,782.12x = 23,146.74 × 16,037.64
  4. Step 4: Simplify right side
    16,782.12x = 371,219,083.29
  5. Step 5: Solve for x
    x = 371,219,083.29/16,782.12
  6. Step 6: Final answer
    x = 22,119.92

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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.