Home / 13,166.46-19,821.22-11,810.25

Finding the Fourth Proportional to 13,166.46, 19,821.22 and 11,810.25

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Solution

The fourth proportional to 13,166.46, 19,821.22 and 11,810.25 is: 17,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.46 : 19,821.22 = 11,810.25 : x
  2. Step 2: Convert to fraction form
    13,166.46/19,821.22 = 11,810.25/x
  3. Step 3: Cross multiply
    13,166.46x = 19,821.22 × 11,810.25
  4. Step 4: Simplify right side
    13,166.46x = 234,093,533.98
  5. Step 5: Solve for x
    x = 234,093,533.98/13,166.46
  6. Step 6: Final answer
    x = 17,779.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.