Home / 19,475.04-26,874-11,517.60

Finding the Fourth Proportional to 19,475.04, 26,874 and 11,517.60

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Solution

The fourth proportional to 19,475.04, 26,874 and 11,517.60 is: 15,893.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.04 : 26,874 = 11,517.60 : x
  2. Step 2: Convert to fraction form
    19,475.04/26,874 = 11,517.60/x
  3. Step 3: Cross multiply
    19,475.04x = 26,874 × 11,517.60
  4. Step 4: Simplify right side
    19,475.04x = 309,523,982.40
  5. Step 5: Solve for x
    x = 309,523,982.40/19,475.04
  6. Step 6: Final answer
    x = 15,893.37

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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.