Home / 13,957.50-20,939.88-4,598.94

Finding the Fourth Proportional to 13,957.50, 20,939.88 and 4,598.94

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Solution

The fourth proportional to 13,957.50, 20,939.88 and 4,598.94 is: 6,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.50 : 20,939.88 = 4,598.94 : x
  2. Step 2: Convert to fraction form
    13,957.50/20,939.88 = 4,598.94/x
  3. Step 3: Cross multiply
    13,957.50x = 20,939.88 × 4,598.94
  4. Step 4: Simplify right side
    13,957.50x = 96,301,251.73
  5. Step 5: Solve for x
    x = 96,301,251.73/13,957.50
  6. Step 6: Final answer
    x = 6,899.61

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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.