Home / 26,004.72-35,871.12-15,937.68

Finding the Fourth Proportional to 26,004.72, 35,871.12 and 15,937.68

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Solution

The fourth proportional to 26,004.72, 35,871.12 and 15,937.68 is: 21,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,004.72 : 35,871.12 = 15,937.68 : x
  2. Step 2: Convert to fraction form
    26,004.72/35,871.12 = 15,937.68/x
  3. Step 3: Cross multiply
    26,004.72x = 35,871.12 × 15,937.68
  4. Step 4: Simplify right side
    26,004.72x = 571,702,431.80
  5. Step 5: Solve for x
    x = 571,702,431.80/26,004.72
  6. Step 6: Final answer
    x = 21,984.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.