Home / 13,453.48-20,170.14-9,058.60

Finding the Fourth Proportional to 13,453.48, 20,170.14 and 9,058.60

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Solution

The fourth proportional to 13,453.48, 20,170.14 and 9,058.60 is: 13,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.48 : 20,170.14 = 9,058.60 : x
  2. Step 2: Convert to fraction form
    13,453.48/20,170.14 = 9,058.60/x
  3. Step 3: Cross multiply
    13,453.48x = 20,170.14 × 9,058.60
  4. Step 4: Simplify right side
    13,453.48x = 182,713,230.20
  5. Step 5: Solve for x
    x = 182,713,230.20/13,453.48
  6. Step 6: Final answer
    x = 13,581.11

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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.