Home / 18,353.79-25,328.82-10,395.84

Finding the Fourth Proportional to 18,353.79, 25,328.82 and 10,395.84

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Solution

The fourth proportional to 18,353.79, 25,328.82 and 10,395.84 is: 14,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.79 : 25,328.82 = 10,395.84 : x
  2. Step 2: Convert to fraction form
    18,353.79/25,328.82 = 10,395.84/x
  3. Step 3: Cross multiply
    18,353.79x = 25,328.82 × 10,395.84
  4. Step 4: Simplify right side
    18,353.79x = 263,314,360.11
  5. Step 5: Solve for x
    x = 263,314,360.11/18,353.79
  6. Step 6: Final answer
    x = 14,346.59

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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.