Home / 15,633.75-23,450.63-4,689.75

Finding the Fourth Proportional to 15,633.75, 23,450.63 and 4,689.75

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Solution

The fourth proportional to 15,633.75, 23,450.63 and 4,689.75 is: 7,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.75 : 23,450.63 = 4,689.75 : x
  2. Step 2: Convert to fraction form
    15,633.75/23,450.63 = 4,689.75/x
  3. Step 3: Cross multiply
    15,633.75x = 23,450.63 × 4,689.75
  4. Step 4: Simplify right side
    15,633.75x = 109,977,592.04
  5. Step 5: Solve for x
    x = 109,977,592.04/15,633.75
  6. Step 6: Final answer
    x = 7,034.63

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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.