Home / 15,409.40-23,100.73-7,500.92

Finding the Fourth Proportional to 15,409.40, 23,100.73 and 7,500.92

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Solution

The fourth proportional to 15,409.40, 23,100.73 and 7,500.92 is: 11,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.40 : 23,100.73 = 7,500.92 : x
  2. Step 2: Convert to fraction form
    15,409.40/23,100.73 = 7,500.92/x
  3. Step 3: Cross multiply
    15,409.40x = 23,100.73 × 7,500.92
  4. Step 4: Simplify right side
    15,409.40x = 173,276,766.67
  5. Step 5: Solve for x
    x = 173,276,766.67/15,409.40
  6. Step 6: Final answer
    x = 11,244.87

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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.