Home / 26,587.05-39,888.36-7,867.59

Finding the Fourth Proportional to 26,587.05, 39,888.36 and 7,867.59

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Solution

The fourth proportional to 26,587.05, 39,888.36 and 7,867.59 is: 11,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.05 : 39,888.36 = 7,867.59 : x
  2. Step 2: Convert to fraction form
    26,587.05/39,888.36 = 7,867.59/x
  3. Step 3: Cross multiply
    26,587.05x = 39,888.36 × 7,867.59
  4. Step 4: Simplify right side
    26,587.05x = 313,825,112.67
  5. Step 5: Solve for x
    x = 313,825,112.67/26,587.05
  6. Step 6: Final answer
    x = 11,803.68

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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.