Home / 18,300.33-25,255.60-10,343.90

Finding the Fourth Proportional to 18,300.33, 25,255.60 and 10,343.90

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Solution

The fourth proportional to 18,300.33, 25,255.60 and 10,343.90 is: 14,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.33 : 25,255.60 = 10,343.90 : x
  2. Step 2: Convert to fraction form
    18,300.33/25,255.60 = 10,343.90/x
  3. Step 3: Cross multiply
    18,300.33x = 25,255.60 × 10,343.90
  4. Step 4: Simplify right side
    18,300.33x = 261,241,438.12
  5. Step 5: Solve for x
    x = 261,241,438.12/18,300.33
  6. Step 6: Final answer
    x = 14,275.23

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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.