Home / 17,558.90-26,325.55-7,165.30

Finding the Fourth Proportional to 17,558.90, 26,325.55 and 7,165.30

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Solution

The fourth proportional to 17,558.90, 26,325.55 and 7,165.30 is: 10,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,558.90 : 26,325.55 = 7,165.30 : x
  2. Step 2: Convert to fraction form
    17,558.90/26,325.55 = 7,165.30/x
  3. Step 3: Cross multiply
    17,558.90x = 26,325.55 × 7,165.30
  4. Step 4: Simplify right side
    17,558.90x = 188,630,463.42
  5. Step 5: Solve for x
    x = 188,630,463.42/17,558.90
  6. Step 6: Final answer
    x = 10,742.73

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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.