Home / 18,225.12-25,150.06-10,267.28

Finding the Fourth Proportional to 18,225.12, 25,150.06 and 10,267.28

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Solution

The fourth proportional to 18,225.12, 25,150.06 and 10,267.28 is: 14,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.12 : 25,150.06 = 10,267.28 : x
  2. Step 2: Convert to fraction form
    18,225.12/25,150.06 = 10,267.28/x
  3. Step 3: Cross multiply
    18,225.12x = 25,150.06 × 10,267.28
  4. Step 4: Simplify right side
    18,225.12x = 258,222,708.04
  5. Step 5: Solve for x
    x = 258,222,708.04/18,225.12
  6. Step 6: Final answer
    x = 14,168.51

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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.