Home / 15,720.58-23,584.85-4,627.63

Finding the Fourth Proportional to 15,720.58, 23,584.85 and 4,627.63

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Solution

The fourth proportional to 15,720.58, 23,584.85 and 4,627.63 is: 6,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720.58 : 23,584.85 = 4,627.63 : x
  2. Step 2: Convert to fraction form
    15,720.58/23,584.85 = 4,627.63/x
  3. Step 3: Cross multiply
    15,720.58x = 23,584.85 × 4,627.63
  4. Step 4: Simplify right side
    15,720.58x = 109,141,818.34
  5. Step 5: Solve for x
    x = 109,141,818.34/15,720.58
  6. Step 6: Final answer
    x = 6,942.61

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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.