Home / 13,650.23-20,478.74-10,849.64

Finding the Fourth Proportional to 13,650.23, 20,478.74 and 10,849.64

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Solution

The fourth proportional to 13,650.23, 20,478.74 and 10,849.64 is: 16,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.23 : 20,478.74 = 10,849.64 : x
  2. Step 2: Convert to fraction form
    13,650.23/20,478.74 = 10,849.64/x
  3. Step 3: Cross multiply
    13,650.23x = 20,478.74 × 10,849.64
  4. Step 4: Simplify right side
    13,650.23x = 222,186,881.38
  5. Step 5: Solve for x
    x = 222,186,881.38/13,650.23
  6. Step 6: Final answer
    x = 16,277.15

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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.