Home / 17,485.80-26,231.90-7,098.60

Finding the Fourth Proportional to 17,485.80, 26,231.90 and 7,098.60

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Solution

The fourth proportional to 17,485.80, 26,231.90 and 7,098.60 is: 10,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.80 : 26,231.90 = 7,098.60 : x
  2. Step 2: Convert to fraction form
    17,485.80/26,231.90 = 7,098.60/x
  3. Step 3: Cross multiply
    17,485.80x = 26,231.90 × 7,098.60
  4. Step 4: Simplify right side
    17,485.80x = 186,209,765.34
  5. Step 5: Solve for x
    x = 186,209,765.34/17,485.80
  6. Step 6: Final answer
    x = 10,649.20

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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.