Home / 16,782.60-23,160.66-9,613.70

Finding the Fourth Proportional to 16,782.60, 23,160.66 and 9,613.70

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Solution

The fourth proportional to 16,782.60, 23,160.66 and 9,613.70 is: 13,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.60 : 23,160.66 = 9,613.70 : x
  2. Step 2: Convert to fraction form
    16,782.60/23,160.66 = 9,613.70/x
  3. Step 3: Cross multiply
    16,782.60x = 23,160.66 × 9,613.70
  4. Step 4: Simplify right side
    16,782.60x = 222,659,521.24
  5. Step 5: Solve for x
    x = 222,659,521.24/16,782.60
  6. Step 6: Final answer
    x = 13,267.28

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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.