Home / 18,247.60-25,181.20-10,289.52

Finding the Fourth Proportional to 18,247.60, 25,181.20 and 10,289.52

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Solution

The fourth proportional to 18,247.60, 25,181.20 and 10,289.52 is: 14,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.60 : 25,181.20 = 10,289.52 : x
  2. Step 2: Convert to fraction form
    18,247.60/25,181.20 = 10,289.52/x
  3. Step 3: Cross multiply
    18,247.60x = 25,181.20 × 10,289.52
  4. Step 4: Simplify right side
    18,247.60x = 259,102,461.02
  5. Step 5: Solve for x
    x = 259,102,461.02/18,247.60
  6. Step 6: Final answer
    x = 14,199.26

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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.