Home / 26,313.12-39,468.40-9,671.87

Finding the Fourth Proportional to 26,313.12, 39,468.40 and 9,671.87

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Solution

The fourth proportional to 26,313.12, 39,468.40 and 9,671.87 is: 14,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.12 : 39,468.40 = 9,671.87 : x
  2. Step 2: Convert to fraction form
    26,313.12/39,468.40 = 9,671.87/x
  3. Step 3: Cross multiply
    26,313.12x = 39,468.40 × 9,671.87
  4. Step 4: Simplify right side
    26,313.12x = 381,733,308.40
  5. Step 5: Solve for x
    x = 381,733,308.40/26,313.12
  6. Step 6: Final answer
    x = 14,507.34

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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.