Home / 38,320.21-57,482.74-12,025.99

Finding the Fourth Proportional to 38,320.21, 57,482.74 and 12,025.99

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Solution

The fourth proportional to 38,320.21, 57,482.74 and 12,025.99 is: 18,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.21 : 57,482.74 = 12,025.99 : x
  2. Step 2: Convert to fraction form
    38,320.21/57,482.74 = 12,025.99/x
  3. Step 3: Cross multiply
    38,320.21x = 57,482.74 × 12,025.99
  4. Step 4: Simplify right side
    38,320.21x = 691,286,682.64
  5. Step 5: Solve for x
    x = 691,286,682.64/38,320.21
  6. Step 6: Final answer
    x = 18,039.74

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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.