Home / 13,445.29-18,559.52-11,549.26

Finding the Fourth Proportional to 13,445.29, 18,559.52 and 11,549.26

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Solution

The fourth proportional to 13,445.29, 18,559.52 and 11,549.26 is: 15,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.29 : 18,559.52 = 11,549.26 : x
  2. Step 2: Convert to fraction form
    13,445.29/18,559.52 = 11,549.26/x
  3. Step 3: Cross multiply
    13,445.29x = 18,559.52 × 11,549.26
  4. Step 4: Simplify right side
    13,445.29x = 214,348,721.96
  5. Step 5: Solve for x
    x = 214,348,721.96/13,445.29
  6. Step 6: Final answer
    x = 15,942.29

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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.