Home / 42,336.26-63,511.41-14,258.69

Finding the Fourth Proportional to 42,336.26, 63,511.41 and 14,258.69

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Solution

The fourth proportional to 42,336.26, 63,511.41 and 14,258.69 is: 21,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336.26 : 63,511.41 = 14,258.69 : x
  2. Step 2: Convert to fraction form
    42,336.26/63,511.41 = 14,258.69/x
  3. Step 3: Cross multiply
    42,336.26x = 63,511.41 × 14,258.69
  4. Step 4: Simplify right side
    42,336.26x = 905,589,506.65
  5. Step 5: Solve for x
    x = 905,589,506.65/42,336.26
  6. Step 6: Final answer
    x = 21,390.40

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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.