Home / 26,003.34-39,004.98-10,431.90

Finding the Fourth Proportional to 26,003.34, 39,004.98 and 10,431.90

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Solution

The fourth proportional to 26,003.34, 39,004.98 and 10,431.90 is: 15,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,003.34 : 39,004.98 = 10,431.90 : x
  2. Step 2: Convert to fraction form
    26,003.34/39,004.98 = 10,431.90/x
  3. Step 3: Cross multiply
    26,003.34x = 39,004.98 × 10,431.90
  4. Step 4: Simplify right side
    26,003.34x = 406,896,050.86
  5. Step 5: Solve for x
    x = 406,896,050.86/26,003.34
  6. Step 6: Final answer
    x = 15,647.84

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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.