Home / 18,335.53-25,302.26-10,378.19

Finding the Fourth Proportional to 18,335.53, 25,302.26 and 10,378.19

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Solution

The fourth proportional to 18,335.53, 25,302.26 and 10,378.19 is: 14,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.53 : 25,302.26 = 10,378.19 : x
  2. Step 2: Convert to fraction form
    18,335.53/25,302.26 = 10,378.19/x
  3. Step 3: Cross multiply
    18,335.53x = 25,302.26 × 10,378.19
  4. Step 4: Simplify right side
    18,335.53x = 262,591,750.91
  5. Step 5: Solve for x
    x = 262,591,750.91/18,335.53
  6. Step 6: Final answer
    x = 14,321.47

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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.