Home / 14,078.56-19,385.04-12,503.92

Finding the Fourth Proportional to 14,078.56, 19,385.04 and 12,503.92

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Solution

The fourth proportional to 14,078.56, 19,385.04 and 12,503.92 is: 17,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.56 : 19,385.04 = 12,503.92 : x
  2. Step 2: Convert to fraction form
    14,078.56/19,385.04 = 12,503.92/x
  3. Step 3: Cross multiply
    14,078.56x = 19,385.04 × 12,503.92
  4. Step 4: Simplify right side
    14,078.56x = 242,388,989.36
  5. Step 5: Solve for x
    x = 242,388,989.36/14,078.56
  6. Step 6: Final answer
    x = 17,216.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.