Home / 15,331.75-23,000.86-4,942.69

Finding the Fourth Proportional to 15,331.75, 23,000.86 and 4,942.69

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Solution

The fourth proportional to 15,331.75, 23,000.86 and 4,942.69 is: 7,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.75 : 23,000.86 = 4,942.69 : x
  2. Step 2: Convert to fraction form
    15,331.75/23,000.86 = 4,942.69/x
  3. Step 3: Cross multiply
    15,331.75x = 23,000.86 × 4,942.69
  4. Step 4: Simplify right side
    15,331.75x = 113,686,069.39
  5. Step 5: Solve for x
    x = 113,686,069.39/15,331.75
  6. Step 6: Final answer
    x = 7,415.08

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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.