Home / 18,225.20-25,150.68-10,267.40

Finding the Fourth Proportional to 18,225.20, 25,150.68 and 10,267.40

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Solution

The fourth proportional to 18,225.20, 25,150.68 and 10,267.40 is: 14,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.20 : 25,150.68 = 10,267.40 : x
  2. Step 2: Convert to fraction form
    18,225.20/25,150.68 = 10,267.40/x
  3. Step 3: Cross multiply
    18,225.20x = 25,150.68 × 10,267.40
  4. Step 4: Simplify right side
    18,225.20x = 258,232,091.83
  5. Step 5: Solve for x
    x = 258,232,091.83/18,225.20
  6. Step 6: Final answer
    x = 14,168.96

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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.