Home / 16,940.60-23,363.58-13,397.66

Finding the Fourth Proportional to 16,940.60, 23,363.58 and 13,397.66

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Solution

The fourth proportional to 16,940.60, 23,363.58 and 13,397.66 is: 18,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.60 : 23,363.58 = 13,397.66 : x
  2. Step 2: Convert to fraction form
    16,940.60/23,363.58 = 13,397.66/x
  3. Step 3: Cross multiply
    16,940.60x = 23,363.58 × 13,397.66
  4. Step 4: Simplify right side
    16,940.60x = 313,017,301.22
  5. Step 5: Solve for x
    x = 313,017,301.22/16,940.60
  6. Step 6: Final answer
    x = 18,477.34

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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.