Home / 13,411.14-18,505.48-8,032.31

Finding the Fourth Proportional to 13,411.14, 18,505.48 and 8,032.31

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Solution

The fourth proportional to 13,411.14, 18,505.48 and 8,032.31 is: 11,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.14 : 18,505.48 = 8,032.31 : x
  2. Step 2: Convert to fraction form
    13,411.14/18,505.48 = 8,032.31/x
  3. Step 3: Cross multiply
    13,411.14x = 18,505.48 × 8,032.31
  4. Step 4: Simplify right side
    13,411.14x = 148,641,819.53
  5. Step 5: Solve for x
    x = 148,641,819.53/13,411.14
  6. Step 6: Final answer
    x = 11,083.46

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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.