Home / 26,647.70-39,973.67-15,555.51

Finding the Fourth Proportional to 26,647.70, 39,973.67 and 15,555.51

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Solution

The fourth proportional to 26,647.70, 39,973.67 and 15,555.51 is: 23,334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.70 : 39,973.67 = 15,555.51 : x
  2. Step 2: Convert to fraction form
    26,647.70/39,973.67 = 15,555.51/x
  3. Step 3: Cross multiply
    26,647.70x = 39,973.67 × 15,555.51
  4. Step 4: Simplify right side
    26,647.70x = 621,810,862.31
  5. Step 5: Solve for x
    x = 621,810,862.31/26,647.70
  6. Step 6: Final answer
    x = 23,334.50

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Double scale
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Similar ratio
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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.