Home / 37,018.08-55,532.39-13,642.70

Finding the Fourth Proportional to 37,018.08, 55,532.39 and 13,642.70

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Solution

The fourth proportional to 37,018.08, 55,532.39 and 13,642.70 is: 20,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,018.08 : 55,532.39 = 13,642.70 : x
  2. Step 2: Convert to fraction form
    37,018.08/55,532.39 = 13,642.70/x
  3. Step 3: Cross multiply
    37,018.08x = 55,532.39 × 13,642.70
  4. Step 4: Simplify right side
    37,018.08x = 757,611,391.18
  5. Step 5: Solve for x
    x = 757,611,391.18/37,018.08
  6. Step 6: Final answer
    x = 20,465.98

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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.