Home / 19,245.90-26,559.36-11,181.12

Finding the Fourth Proportional to 19,245.90, 26,559.36 and 11,181.12

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Solution

The fourth proportional to 19,245.90, 26,559.36 and 11,181.12 is: 15,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.90 : 26,559.36 = 11,181.12 : x
  2. Step 2: Convert to fraction form
    19,245.90/26,559.36 = 11,181.12/x
  3. Step 3: Cross multiply
    19,245.90x = 26,559.36 × 11,181.12
  4. Step 4: Simplify right side
    19,245.90x = 296,963,391.28
  5. Step 5: Solve for x
    x = 296,963,391.28/19,245.90
  6. Step 6: Final answer
    x = 15,429.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.