Home / 19,563.84-26,998.56-11,181.12

Finding the Fourth Proportional to 19,563.84, 26,998.56 and 11,181.12

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Solution

The fourth proportional to 19,563.84, 26,998.56 and 11,181.12 is: 15,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.84 : 26,998.56 = 11,181.12 : x
  2. Step 2: Convert to fraction form
    19,563.84/26,998.56 = 11,181.12/x
  3. Step 3: Cross multiply
    19,563.84x = 26,998.56 × 11,181.12
  4. Step 4: Simplify right side
    19,563.84x = 301,874,139.19
  5. Step 5: Solve for x
    x = 301,874,139.19/19,563.84
  6. Step 6: Final answer
    x = 15,430.21

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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.