Home / 18,396.96-25,387.36-10,013.60

Finding the Fourth Proportional to 18,396.96, 25,387.36 and 10,013.60

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Solution

The fourth proportional to 18,396.96, 25,387.36 and 10,013.60 is: 13,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.96 : 25,387.36 = 10,013.60 : x
  2. Step 2: Convert to fraction form
    18,396.96/25,387.36 = 10,013.60/x
  3. Step 3: Cross multiply
    18,396.96x = 25,387.36 × 10,013.60
  4. Step 4: Simplify right side
    18,396.96x = 254,218,868.10
  5. Step 5: Solve for x
    x = 254,218,868.10/18,396.96
  6. Step 6: Final answer
    x = 13,818.53

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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.