Home / 15,535.12-23,285.93-7,628.44

Finding the Fourth Proportional to 15,535.12, 23,285.93 and 7,628.44

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Solution

The fourth proportional to 15,535.12, 23,285.93 and 7,628.44 is: 11,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.12 : 23,285.93 = 7,628.44 : x
  2. Step 2: Convert to fraction form
    15,535.12/23,285.93 = 7,628.44/x
  3. Step 3: Cross multiply
    15,535.12x = 23,285.93 × 7,628.44
  4. Step 4: Simplify right side
    15,535.12x = 177,635,319.85
  5. Step 5: Solve for x
    x = 177,635,319.85/15,535.12
  6. Step 6: Final answer
    x = 11,434.43

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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.