Home / 13,465.76-18,537.36-11,104.16

Finding the Fourth Proportional to 13,465.76, 18,537.36 and 11,104.16

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Solution

The fourth proportional to 13,465.76, 18,537.36 and 11,104.16 is: 15,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.76 : 18,537.36 = 11,104.16 : x
  2. Step 2: Convert to fraction form
    13,465.76/18,537.36 = 11,104.16/x
  3. Step 3: Cross multiply
    13,465.76x = 18,537.36 × 11,104.16
  4. Step 4: Simplify right side
    13,465.76x = 205,841,811.42
  5. Step 5: Solve for x
    x = 205,841,811.42/13,465.76
  6. Step 6: Final answer
    x = 15,286.31

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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.