Home / 15,635.70-23,440.86-6,271.56

Finding the Fourth Proportional to 15,635.70, 23,440.86 and 6,271.56

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Solution

The fourth proportional to 15,635.70, 23,440.86 and 6,271.56 is: 9,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.70 : 23,440.86 = 6,271.56 : x
  2. Step 2: Convert to fraction form
    15,635.70/23,440.86 = 6,271.56/x
  3. Step 3: Cross multiply
    15,635.70x = 23,440.86 × 6,271.56
  4. Step 4: Simplify right side
    15,635.70x = 147,010,759.94
  5. Step 5: Solve for x
    x = 147,010,759.94/15,635.70
  6. Step 6: Final answer
    x = 9,402.25

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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.