Home / 18,135.36-25,025.09-10,176.03

Finding the Fourth Proportional to 18,135.36, 25,025.09 and 10,176.03

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Solution

The fourth proportional to 18,135.36, 25,025.09 and 10,176.03 is: 14,041.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.36 : 25,025.09 = 10,176.03 : x
  2. Step 2: Convert to fraction form
    18,135.36/25,025.09 = 10,176.03/x
  3. Step 3: Cross multiply
    18,135.36x = 25,025.09 × 10,176.03
  4. Step 4: Simplify right side
    18,135.36x = 254,656,015.71
  5. Step 5: Solve for x
    x = 254,656,015.71/18,135.36
  6. Step 6: Final answer
    x = 14,041.96

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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.