Home / 18,341.37-25,311.11-9,957.87

Finding the Fourth Proportional to 18,341.37, 25,311.11 and 9,957.87

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Solution

The fourth proportional to 18,341.37, 25,311.11 and 9,957.87 is: 13,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.37 : 25,311.11 = 9,957.87 : x
  2. Step 2: Convert to fraction form
    18,341.37/25,311.11 = 9,957.87/x
  3. Step 3: Cross multiply
    18,341.37x = 25,311.11 × 9,957.87
  4. Step 4: Simplify right side
    18,341.37x = 252,044,693.15
  5. Step 5: Solve for x
    x = 252,044,693.15/18,341.37
  6. Step 6: Final answer
    x = 13,741.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.