Home / 12,030.54-18,049.53-4,240.14

Finding the Fourth Proportional to 12,030.54, 18,049.53 and 4,240.14

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Solution

The fourth proportional to 12,030.54, 18,049.53 and 4,240.14 is: 6,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.54 : 18,049.53 = 4,240.14 : x
  2. Step 2: Convert to fraction form
    12,030.54/18,049.53 = 4,240.14/x
  3. Step 3: Cross multiply
    12,030.54x = 18,049.53 × 4,240.14
  4. Step 4: Simplify right side
    12,030.54x = 76,532,534.13
  5. Step 5: Solve for x
    x = 76,532,534.13/12,030.54
  6. Step 6: Final answer
    x = 6,361.52

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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.