Home / 47,721.75-71,582.64-14,889.75

Finding the Fourth Proportional to 47,721.75, 71,582.64 and 14,889.75

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Solution

The fourth proportional to 47,721.75, 71,582.64 and 14,889.75 is: 22,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.75 : 71,582.64 = 14,889.75 : x
  2. Step 2: Convert to fraction form
    47,721.75/71,582.64 = 14,889.75/x
  3. Step 3: Cross multiply
    47,721.75x = 71,582.64 × 14,889.75
  4. Step 4: Simplify right side
    47,721.75x = 1,065,847,613.94
  5. Step 5: Solve for x
    x = 1,065,847,613.94/47,721.75
  6. Step 6: Final answer
    x = 22,334.63

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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.