Home / 26,450.77-36,502.06-15,120.51

Finding the Fourth Proportional to 26,450.77, 36,502.06 and 15,120.51

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Solution

The fourth proportional to 26,450.77, 36,502.06 and 15,120.51 is: 20,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.77 : 36,502.06 = 15,120.51 : x
  2. Step 2: Convert to fraction form
    26,450.77/36,502.06 = 15,120.51/x
  3. Step 3: Cross multiply
    26,450.77x = 36,502.06 × 15,120.51
  4. Step 4: Simplify right side
    26,450.77x = 551,929,763.25
  5. Step 5: Solve for x
    x = 551,929,763.25/26,450.77
  6. Step 6: Final answer
    x = 20,866.30

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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.