Home / 13,752.23-20,636.14-7,427.03

Finding the Fourth Proportional to 13,752.23, 20,636.14 and 7,427.03

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Solution

The fourth proportional to 13,752.23, 20,636.14 and 7,427.03 is: 11,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.23 : 20,636.14 = 7,427.03 : x
  2. Step 2: Convert to fraction form
    13,752.23/20,636.14 = 7,427.03/x
  3. Step 3: Cross multiply
    13,752.23x = 20,636.14 × 7,427.03
  4. Step 4: Simplify right side
    13,752.23x = 153,265,109.12
  5. Step 5: Solve for x
    x = 153,265,109.12/13,752.23
  6. Step 6: Final answer
    x = 11,144.75

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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.