Home / 26,754.72-36,903.18-18,356.64

Finding the Fourth Proportional to 26,754.72, 36,903.18 and 18,356.64

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Solution

The fourth proportional to 26,754.72, 36,903.18 and 18,356.64 is: 25,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,754.72 : 36,903.18 = 18,356.64 : x
  2. Step 2: Convert to fraction form
    26,754.72/36,903.18 = 18,356.64/x
  3. Step 3: Cross multiply
    26,754.72x = 36,903.18 × 18,356.64
  4. Step 4: Simplify right side
    26,754.72x = 677,418,390.12
  5. Step 5: Solve for x
    x = 677,418,390.12/26,754.72
  6. Step 6: Final answer
    x = 25,319.58

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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.