Home / 26,555.36-39,826.80-9,917.04

Finding the Fourth Proportional to 26,555.36, 39,826.80 and 9,917.04

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Solution

The fourth proportional to 26,555.36, 39,826.80 and 9,917.04 is: 14,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.36 : 39,826.80 = 9,917.04 : x
  2. Step 2: Convert to fraction form
    26,555.36/39,826.80 = 9,917.04/x
  3. Step 3: Cross multiply
    26,555.36x = 39,826.80 × 9,917.04
  4. Step 4: Simplify right side
    26,555.36x = 394,963,968.67
  5. Step 5: Solve for x
    x = 394,963,968.67/26,555.36
  6. Step 6: Final answer
    x = 14,873.23

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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.