Home / 38,399.84-57,599.74-12,106.64

Finding the Fourth Proportional to 38,399.84, 57,599.74 and 12,106.64

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Solution

The fourth proportional to 38,399.84, 57,599.74 and 12,106.64 is: 18,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.84 : 57,599.74 = 12,106.64 : x
  2. Step 2: Convert to fraction form
    38,399.84/57,599.74 = 12,106.64/x
  3. Step 3: Cross multiply
    38,399.84x = 57,599.74 × 12,106.64
  4. Step 4: Simplify right side
    38,399.84x = 697,339,316.27
  5. Step 5: Solve for x
    x = 697,339,316.27/38,399.84
  6. Step 6: Final answer
    x = 18,159.95

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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.