Home / 13,005.10-19,495.36-11,849.50

Finding the Fourth Proportional to 13,005.10, 19,495.36 and 11,849.50

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Solution

The fourth proportional to 13,005.10, 19,495.36 and 11,849.50 is: 17,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.10 : 19,495.36 = 11,849.50 : x
  2. Step 2: Convert to fraction form
    13,005.10/19,495.36 = 11,849.50/x
  3. Step 3: Cross multiply
    13,005.10x = 19,495.36 × 11,849.50
  4. Step 4: Simplify right side
    13,005.10x = 231,010,268.32
  5. Step 5: Solve for x
    x = 231,010,268.32/13,005.10
  6. Step 6: Final answer
    x = 17,763.05

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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.