Home / 14,057.15-21,078.77-4,693.95

Finding the Fourth Proportional to 14,057.15, 21,078.77 and 4,693.95

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Solution

The fourth proportional to 14,057.15, 21,078.77 and 4,693.95 is: 7,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.15 : 21,078.77 = 4,693.95 : x
  2. Step 2: Convert to fraction form
    14,057.15/21,078.77 = 4,693.95/x
  3. Step 3: Cross multiply
    14,057.15x = 21,078.77 × 4,693.95
  4. Step 4: Simplify right side
    14,057.15x = 98,942,668.97
  5. Step 5: Solve for x
    x = 98,942,668.97/14,057.15
  6. Step 6: Final answer
    x = 7,038.60

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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.