Home / 18,298.61-25,251.41-9,914.93

Finding the Fourth Proportional to 18,298.61, 25,251.41 and 9,914.93

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Solution

The fourth proportional to 18,298.61, 25,251.41 and 9,914.93 is: 13,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.61 : 25,251.41 = 9,914.93 : x
  2. Step 2: Convert to fraction form
    18,298.61/25,251.41 = 9,914.93/x
  3. Step 3: Cross multiply
    18,298.61x = 25,251.41 × 9,914.93
  4. Step 4: Simplify right side
    18,298.61x = 250,365,912.98
  5. Step 5: Solve for x
    x = 250,365,912.98/18,298.61
  6. Step 6: Final answer
    x = 13,682.24

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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.