Home / 26,451.36-36,508.32-15,120.27

Finding the Fourth Proportional to 26,451.36, 36,508.32 and 15,120.27

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Solution

The fourth proportional to 26,451.36, 36,508.32 and 15,120.27 is: 20,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.36 : 36,508.32 = 15,120.27 : x
  2. Step 2: Convert to fraction form
    26,451.36/36,508.32 = 15,120.27/x
  3. Step 3: Cross multiply
    26,451.36x = 36,508.32 × 15,120.27
  4. Step 4: Simplify right side
    26,451.36x = 552,015,655.65
  5. Step 5: Solve for x
    x = 552,015,655.65/26,451.36
  6. Step 6: Final answer
    x = 20,869.08

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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.