Home / 15,737.69-23,622.94-6,978.76

Finding the Fourth Proportional to 15,737.69, 23,622.94 and 6,978.76

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Solution

The fourth proportional to 15,737.69, 23,622.94 and 6,978.76 is: 10,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.69 : 23,622.94 = 6,978.76 : x
  2. Step 2: Convert to fraction form
    15,737.69/23,622.94 = 6,978.76/x
  3. Step 3: Cross multiply
    15,737.69x = 23,622.94 × 6,978.76
  4. Step 4: Simplify right side
    15,737.69x = 164,858,778.42
  5. Step 5: Solve for x
    x = 164,858,778.42/15,737.69
  6. Step 6: Final answer
    x = 10,475.41

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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.