Home / 26,319.72-36,310.36-18,366.56

Finding the Fourth Proportional to 26,319.72, 36,310.36 and 18,366.56

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Solution

The fourth proportional to 26,319.72, 36,310.36 and 18,366.56 is: 25,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.72 : 36,310.36 = 18,366.56 : x
  2. Step 2: Convert to fraction form
    26,319.72/36,310.36 = 18,366.56/x
  3. Step 3: Cross multiply
    26,319.72x = 36,310.36 × 18,366.56
  4. Step 4: Simplify right side
    26,319.72x = 666,896,405.56
  5. Step 5: Solve for x
    x = 666,896,405.56/26,319.72
  6. Step 6: Final answer
    x = 25,338.28

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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.