Home / 17,439.09-26,155.85-7,575.72

Finding the Fourth Proportional to 17,439.09, 26,155.85 and 7,575.72

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Solution

The fourth proportional to 17,439.09, 26,155.85 and 7,575.72 is: 11,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.09 : 26,155.85 = 7,575.72 : x
  2. Step 2: Convert to fraction form
    17,439.09/26,155.85 = 7,575.72/x
  3. Step 3: Cross multiply
    17,439.09x = 26,155.85 × 7,575.72
  4. Step 4: Simplify right side
    17,439.09x = 198,149,358.08
  5. Step 5: Solve for x
    x = 198,149,358.08/17,439.09
  6. Step 6: Final answer
    x = 11,362.37

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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.