Home / 26,655.58-39,976.57-7,931.41

Finding the Fourth Proportional to 26,655.58, 39,976.57 and 7,931.41

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Solution

The fourth proportional to 26,655.58, 39,976.57 and 7,931.41 is: 11,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.58 : 39,976.57 = 7,931.41 : x
  2. Step 2: Convert to fraction form
    26,655.58/39,976.57 = 7,931.41/x
  3. Step 3: Cross multiply
    26,655.58x = 39,976.57 × 7,931.41
  4. Step 4: Simplify right side
    26,655.58x = 317,070,567.06
  5. Step 5: Solve for x
    x = 317,070,567.06/26,655.58
  6. Step 6: Final answer
    x = 11,895.09

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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.