Home / 13,450.72-20,101.76-9,948.16

Finding the Fourth Proportional to 13,450.72, 20,101.76 and 9,948.16

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Solution

The fourth proportional to 13,450.72, 20,101.76 and 9,948.16 is: 14,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.72 : 20,101.76 = 9,948.16 : x
  2. Step 2: Convert to fraction form
    13,450.72/20,101.76 = 9,948.16/x
  3. Step 3: Cross multiply
    13,450.72x = 20,101.76 × 9,948.16
  4. Step 4: Simplify right side
    13,450.72x = 199,975,524.76
  5. Step 5: Solve for x
    x = 199,975,524.76/13,450.72
  6. Step 6: Final answer
    x = 14,867.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.