Home / 15,336.96-23,005.39-4,807.78

Finding the Fourth Proportional to 15,336.96, 23,005.39 and 4,807.78

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Solution

The fourth proportional to 15,336.96, 23,005.39 and 4,807.78 is: 7,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.96 : 23,005.39 = 4,807.78 : x
  2. Step 2: Convert to fraction form
    15,336.96/23,005.39 = 4,807.78/x
  3. Step 3: Cross multiply
    15,336.96x = 23,005.39 × 4,807.78
  4. Step 4: Simplify right side
    15,336.96x = 110,604,738.91
  5. Step 5: Solve for x
    x = 110,604,738.91/15,336.96
  6. Step 6: Final answer
    x = 7,211.65

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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.