Home / 37,299.36-55,957.28-12,347.20

Finding the Fourth Proportional to 37,299.36, 55,957.28 and 12,347.20

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Solution

The fourth proportional to 37,299.36, 55,957.28 and 12,347.20 is: 18,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,299.36 : 55,957.28 = 12,347.20 : x
  2. Step 2: Convert to fraction form
    37,299.36/55,957.28 = 12,347.20/x
  3. Step 3: Cross multiply
    37,299.36x = 55,957.28 × 12,347.20
  4. Step 4: Simplify right side
    37,299.36x = 690,915,727.62
  5. Step 5: Solve for x
    x = 690,915,727.62/37,299.36
  6. Step 6: Final answer
    x = 18,523.53

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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.