Home / 18,652.16-25,739.22-10,688.84

Finding the Fourth Proportional to 18,652.16, 25,739.22 and 10,688.84

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Solution

The fourth proportional to 18,652.16, 25,739.22 and 10,688.84 is: 14,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.16 : 25,739.22 = 10,688.84 : x
  2. Step 2: Convert to fraction form
    18,652.16/25,739.22 = 10,688.84/x
  3. Step 3: Cross multiply
    18,652.16x = 25,739.22 × 10,688.84
  4. Step 4: Simplify right side
    18,652.16x = 275,122,404.30
  5. Step 5: Solve for x
    x = 275,122,404.30/18,652.16
  6. Step 6: Final answer
    x = 14,750.16

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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.