Home / 18,353.79-25,327.74-10,398.58

Finding the Fourth Proportional to 18,353.79, 25,327.74 and 10,398.58

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Solution

The fourth proportional to 18,353.79, 25,327.74 and 10,398.58 is: 14,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.79 : 25,327.74 = 10,398.58 : x
  2. Step 2: Convert to fraction form
    18,353.79/25,327.74 = 10,398.58/x
  3. Step 3: Cross multiply
    18,353.79x = 25,327.74 × 10,398.58
  4. Step 4: Simplify right side
    18,353.79x = 263,372,447.79
  5. Step 5: Solve for x
    x = 263,372,447.79/18,353.79
  6. Step 6: Final answer
    x = 14,349.76

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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.