Home / 26,555.40-39,814.61-11,756.30

Finding the Fourth Proportional to 26,555.40, 39,814.61 and 11,756.30

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Solution

The fourth proportional to 26,555.40, 39,814.61 and 11,756.30 is: 17,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.40 : 39,814.61 = 11,756.30 : x
  2. Step 2: Convert to fraction form
    26,555.40/39,814.61 = 11,756.30/x
  3. Step 3: Cross multiply
    26,555.40x = 39,814.61 × 11,756.30
  4. Step 4: Simplify right side
    26,555.40x = 468,072,241.69
  5. Step 5: Solve for x
    x = 468,072,241.69/26,555.40
  6. Step 6: Final answer
    x = 17,626.25

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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.