Home / 26,072.42-39,108.56-18,315.86

Finding the Fourth Proportional to 26,072.42, 39,108.56 and 18,315.86

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Solution

The fourth proportional to 26,072.42, 39,108.56 and 18,315.86 is: 27,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,072.42 : 39,108.56 = 18,315.86 : x
  2. Step 2: Convert to fraction form
    26,072.42/39,108.56 = 18,315.86/x
  3. Step 3: Cross multiply
    26,072.42x = 39,108.56 × 18,315.86
  4. Step 4: Simplify right side
    26,072.42x = 716,306,622.64
  5. Step 5: Solve for x
    x = 716,306,622.64/26,072.42
  6. Step 6: Final answer
    x = 27,473.74

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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.