Home / 26,156.16-39,162.35-18,266.56

Finding the Fourth Proportional to 26,156.16, 39,162.35 and 18,266.56

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Solution

The fourth proportional to 26,156.16, 39,162.35 and 18,266.56 is: 27,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.16 : 39,162.35 = 18,266.56 : x
  2. Step 2: Convert to fraction form
    26,156.16/39,162.35 = 18,266.56/x
  3. Step 3: Cross multiply
    26,156.16x = 39,162.35 × 18,266.56
  4. Step 4: Simplify right side
    26,156.16x = 715,361,416.02
  5. Step 5: Solve for x
    x = 715,361,416.02/26,156.16
  6. Step 6: Final answer
    x = 27,349.63

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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.