Home / 18,148.28-25,043.82-10,190.36

Finding the Fourth Proportional to 18,148.28, 25,043.82 and 10,190.36

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Solution

The fourth proportional to 18,148.28, 25,043.82 and 10,190.36 is: 14,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.28 : 25,043.82 = 10,190.36 : x
  2. Step 2: Convert to fraction form
    18,148.28/25,043.82 = 10,190.36/x
  3. Step 3: Cross multiply
    18,148.28x = 25,043.82 × 10,190.36
  4. Step 4: Simplify right side
    18,148.28x = 255,205,541.58
  5. Step 5: Solve for x
    x = 255,205,541.58/18,148.28
  6. Step 6: Final answer
    x = 14,062.24

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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.