Home / 26,509.76-39,764.56-6,788.32

Finding the Fourth Proportional to 26,509.76, 39,764.56 and 6,788.32

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Solution

The fourth proportional to 26,509.76, 39,764.56 and 6,788.32 is: 10,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.76 : 39,764.56 = 6,788.32 : x
  2. Step 2: Convert to fraction form
    26,509.76/39,764.56 = 6,788.32/x
  3. Step 3: Cross multiply
    26,509.76x = 39,764.56 × 6,788.32
  4. Step 4: Simplify right side
    26,509.76x = 269,934,557.94
  5. Step 5: Solve for x
    x = 269,934,557.94/26,509.76
  6. Step 6: Final answer
    x = 10,182.46

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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.