Home / 18,248.16-25,181.84-10,289.60

Finding the Fourth Proportional to 18,248.16, 25,181.84 and 10,289.60

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Solution

The fourth proportional to 18,248.16, 25,181.84 and 10,289.60 is: 14,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.16 : 25,181.84 = 10,289.60 : x
  2. Step 2: Convert to fraction form
    18,248.16/25,181.84 = 10,289.60/x
  3. Step 3: Cross multiply
    18,248.16x = 25,181.84 × 10,289.60
  4. Step 4: Simplify right side
    18,248.16x = 259,111,060.86
  5. Step 5: Solve for x
    x = 259,111,060.86/18,248.16
  6. Step 6: Final answer
    x = 14,199.30

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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.