Home / 19,385.44-29,078.29-7,698.62

Finding the Fourth Proportional to 19,385.44, 29,078.29 and 7,698.62

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Solution

The fourth proportional to 19,385.44, 29,078.29 and 7,698.62 is: 11,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.44 : 29,078.29 = 7,698.62 : x
  2. Step 2: Convert to fraction form
    19,385.44/29,078.29 = 7,698.62/x
  3. Step 3: Cross multiply
    19,385.44x = 29,078.29 × 7,698.62
  4. Step 4: Simplify right side
    19,385.44x = 223,862,704.96
  5. Step 5: Solve for x
    x = 223,862,704.96/19,385.44
  6. Step 6: Final answer
    x = 11,547.98

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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.