Home / 16,713.15-23,064.21-9,639.60

Finding the Fourth Proportional to 16,713.15, 23,064.21 and 9,639.60

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Solution

The fourth proportional to 16,713.15, 23,064.21 and 9,639.60 is: 13,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,713.15 : 23,064.21 = 9,639.60 : x
  2. Step 2: Convert to fraction form
    16,713.15/23,064.21 = 9,639.60/x
  3. Step 3: Cross multiply
    16,713.15x = 23,064.21 × 9,639.60
  4. Step 4: Simplify right side
    16,713.15x = 222,329,758.72
  5. Step 5: Solve for x
    x = 222,329,758.72/16,713.15
  6. Step 6: Final answer
    x = 13,302.68

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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.