Home / 12,351.36-18,527.60-4,031.49

Finding the Fourth Proportional to 12,351.36, 18,527.60 and 4,031.49

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Solution

The fourth proportional to 12,351.36, 18,527.60 and 4,031.49 is: 6,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.36 : 18,527.60 = 4,031.49 : x
  2. Step 2: Convert to fraction form
    12,351.36/18,527.60 = 4,031.49/x
  3. Step 3: Cross multiply
    12,351.36x = 18,527.60 × 4,031.49
  4. Step 4: Simplify right side
    12,351.36x = 74,693,834.12
  5. Step 5: Solve for x
    x = 74,693,834.12/12,351.36
  6. Step 6: Final answer
    x = 6,047.42

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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.