Home / 17,753.34-26,648.40-13,078.58

Finding the Fourth Proportional to 17,753.34, 26,648.40 and 13,078.58

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Solution

The fourth proportional to 17,753.34, 26,648.40 and 13,078.58 is: 19,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,753.34 : 26,648.40 = 13,078.58 : x
  2. Step 2: Convert to fraction form
    17,753.34/26,648.40 = 13,078.58/x
  3. Step 3: Cross multiply
    17,753.34x = 26,648.40 × 13,078.58
  4. Step 4: Simplify right side
    17,753.34x = 348,523,231.27
  5. Step 5: Solve for x
    x = 348,523,231.27/17,753.34
  6. Step 6: Final answer
    x = 19,631.42

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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.