Home / 18,459.35-25,472.38-10,393.74

Finding the Fourth Proportional to 18,459.35, 25,472.38 and 10,393.74

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Solution

The fourth proportional to 18,459.35, 25,472.38 and 10,393.74 is: 14,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.35 : 25,472.38 = 10,393.74 : x
  2. Step 2: Convert to fraction form
    18,459.35/25,472.38 = 10,393.74/x
  3. Step 3: Cross multiply
    18,459.35x = 25,472.38 × 10,393.74
  4. Step 4: Simplify right side
    18,459.35x = 264,753,241.94
  5. Step 5: Solve for x
    x = 264,753,241.94/18,459.35
  6. Step 6: Final answer
    x = 14,342.50

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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.