Home / 17,456.80-26,185.20-9,133.60

Finding the Fourth Proportional to 17,456.80, 26,185.20 and 9,133.60

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Solution

The fourth proportional to 17,456.80, 26,185.20 and 9,133.60 is: 13,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,456.80 : 26,185.20 = 9,133.60 : x
  2. Step 2: Convert to fraction form
    17,456.80/26,185.20 = 9,133.60/x
  3. Step 3: Cross multiply
    17,456.80x = 26,185.20 × 9,133.60
  4. Step 4: Simplify right side
    17,456.80x = 239,165,142.72
  5. Step 5: Solve for x
    x = 239,165,142.72/17,456.80
  6. Step 6: Final answer
    x = 13,700.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.