Home / 18,777.48-25,889.40-12,051.24

Finding the Fourth Proportional to 18,777.48, 25,889.40 and 12,051.24

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Solution

The fourth proportional to 18,777.48, 25,889.40 and 12,051.24 is: 16,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.48 : 25,889.40 = 12,051.24 : x
  2. Step 2: Convert to fraction form
    18,777.48/25,889.40 = 12,051.24/x
  3. Step 3: Cross multiply
    18,777.48x = 25,889.40 × 12,051.24
  4. Step 4: Simplify right side
    18,777.48x = 311,999,372.86
  5. Step 5: Solve for x
    x = 311,999,372.86/18,777.48
  6. Step 6: Final answer
    x = 16,615.61

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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.