Home / 26,533.12-39,760.80-10,961.68

Finding the Fourth Proportional to 26,533.12, 39,760.80 and 10,961.68

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Solution

The fourth proportional to 26,533.12, 39,760.80 and 10,961.68 is: 16,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,533.12 : 39,760.80 = 10,961.68 : x
  2. Step 2: Convert to fraction form
    26,533.12/39,760.80 = 10,961.68/x
  3. Step 3: Cross multiply
    26,533.12x = 39,760.80 × 10,961.68
  4. Step 4: Simplify right side
    26,533.12x = 435,845,166.14
  5. Step 5: Solve for x
    x = 435,845,166.14/26,533.12
  6. Step 6: Final answer
    x = 16,426.46

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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.