Home / 26,970.48-40,459.83-9,438.96

Finding the Fourth Proportional to 26,970.48, 40,459.83 and 9,438.96

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Solution

The fourth proportional to 26,970.48, 40,459.83 and 9,438.96 is: 14,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.48 : 40,459.83 = 9,438.96 : x
  2. Step 2: Convert to fraction form
    26,970.48/40,459.83 = 9,438.96/x
  3. Step 3: Cross multiply
    26,970.48x = 40,459.83 × 9,438.96
  4. Step 4: Simplify right side
    26,970.48x = 381,898,716.98
  5. Step 5: Solve for x
    x = 381,898,716.98/26,970.48
  6. Step 6: Final answer
    x = 14,159.88

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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.