Home / 43,818.23-65,699.26-18,510.86

Finding the Fourth Proportional to 43,818.23, 65,699.26 and 18,510.86

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Solution

The fourth proportional to 43,818.23, 65,699.26 and 18,510.86 is: 27,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,818.23 : 65,699.26 = 18,510.86 : x
  2. Step 2: Convert to fraction form
    43,818.23/65,699.26 = 18,510.86/x
  3. Step 3: Cross multiply
    43,818.23x = 65,699.26 × 18,510.86
  4. Step 4: Simplify right side
    43,818.23x = 1,216,149,803.96
  5. Step 5: Solve for x
    x = 1,216,149,803.96/43,818.23
  6. Step 6: Final answer
    x = 27,754.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.