Home / 26,090.56-39,135.36-10,507.80

Finding the Fourth Proportional to 26,090.56, 39,135.36 and 10,507.80

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Solution

The fourth proportional to 26,090.56, 39,135.36 and 10,507.80 is: 15,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,090.56 : 39,135.36 = 10,507.80 : x
  2. Step 2: Convert to fraction form
    26,090.56/39,135.36 = 10,507.80/x
  3. Step 3: Cross multiply
    26,090.56x = 39,135.36 × 10,507.80
  4. Step 4: Simplify right side
    26,090.56x = 411,226,535.81
  5. Step 5: Solve for x
    x = 411,226,535.81/26,090.56
  6. Step 6: Final answer
    x = 15,761.51

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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.