Home / 16,695.39-23,039.64-10,407.75

Finding the Fourth Proportional to 16,695.39, 23,039.64 and 10,407.75

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Solution

The fourth proportional to 16,695.39, 23,039.64 and 10,407.75 is: 14,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.39 : 23,039.64 = 10,407.75 : x
  2. Step 2: Convert to fraction form
    16,695.39/23,039.64 = 10,407.75/x
  3. Step 3: Cross multiply
    16,695.39x = 23,039.64 × 10,407.75
  4. Step 4: Simplify right side
    16,695.39x = 239,790,813.21
  5. Step 5: Solve for x
    x = 239,790,813.21/16,695.39
  6. Step 6: Final answer
    x = 14,362.70

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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.